Stock sector performance
📊 StockInsight™ U.S. Sector Performance Report — August 27, 2026
🔎 Executive Summary
The U.S. sector landscape is showing a very strong rotation toward materials, metals and resource-related industries, while several economically sensitive and consumer-facing groups are under pressure.
The most striking feature of the latest data is the exceptional strength in metals. The U.S. Nonferrous Metals Index gained 14.34%, while Industrial Metals & Mining rose 6.45%, Basic Resources advanced 6.33%, Gold Mining climbed 6.25%, and Mining added 6.19%. This is not simply a one-day move either: many of these groups have generated exceptionally strong medium-term returns.
At the other end of the spectrum, Heavy Construction (-6.31%), Footwear (-4.90%), Defense (-4.76%) and Furnishings (-3.98%) were among the weakest areas.
The overall picture therefore suggests a market undergoing aggressive internal rotation rather than broad-based sector strength. Capital is concentrating in commodities, metals, selected financial services and parts of technology, while portions of consumer discretionary, utilities, construction and defense are experiencing significant selling pressure.
📈 Market Structure
The broad U.S. market remains firmly positive over the longer time frames despite today’s mixed sector performance.
The U.S. Dow Jones Index is up 18.48% over the longer measurement period in the supplied data, while the U.S. Large-Cap Index has gained 18.60%. Mid-caps are even stronger at 16.82%, and small-caps have advanced 20.67%.
That relative strength in smaller companies is important. It suggests that the rally is not exclusively dependent on mega-cap stocks.
The more interesting development, however, is the divergence beneath the surface. The strongest industries are producing enormous gains while other groups are struggling badly.
| Market Segment | Current Level | 1D | 1W | 1M | 3M | 1Y |
|---|---|---|---|---|---|---|
| Dow Jones U.S. | 1,866.88 | -0.44% | +3.62% | +2.34% | +18.48% | +12.37% |
| U.S. Large Cap | 1,725.16 | -0.64% | +3.75% | +1.28% | +18.60% | +10.74% |
| U.S. Mid Cap | 2,408.00 | +0.49% | +3.22% | +6.68% | +16.82% | +16.37% |
| U.S. Small Cap | 2,100.65 | -0.69% | +3.43% | +2.52% | +20.67% | +17.45% |
| U.S. Technology | 10,325.54 | -0.50% | +4.06% | -1.57% | +29.52% | +17.32% |
| U.S. Financials | 1,229.72 | +1.09% | +2.27% | +10.21% | +8.87% | +6.61% |
| U.S. Health Care | 1,842.03 | -1.17% | +6.77% | +17.02% | +26.41% | +11.98% |
| U.S. Industrials | 1,663.15 | -0.78% | -0.79% | +1.72% | +17.22% | +15.26% |
| U.S. Utilities | 428.24 | -1.22% | -6.17% | -4.41% | +1.22% | +1.09% |
| U.S. Consumer Services | 2,078.04 | -1.37% | +7.02% | +0.81% | -0.18% | +3.25% |
The key takeaway: the market’s longer-term trend remains constructive, but the short-term leadership is becoming considerably narrower.
🥇 Top 10 Sectors Today
The strongest sectors are overwhelmingly concentrated in metals and resources. This is the clearest signal in the entire dataset.
| Rank | Sector | 1D | 1W | 1M | 3M | 1Y |
|---|---|---|---|---|---|---|
| 1 | 🥇 Nonferrous Metals | +14.34% | +26.20% | +22.75% | +78.13% | +55.54% |
| 2 | Industrial Metals & Mining | +6.45% | +10.39% | +6.54% | +65.38% | +41.41% |
| 3 | Basic Resources | +6.33% | +23.20% | +11.35% | +68.85% | +36.04% |
| 4 | Gold Mining | +6.25% | +41.85% | +18.64% | +84.62% | +31.96% |
| 5 | Mining | +6.19% | +41.91% | +17.19% | +78.27% | +31.35% |
| 6 | Publishing | +4.54% | +6.50% | +5.21% | +7.92% | +9.30% |
| 7 | Basic Materials | +3.50% | +9.00% | +4.08% | +27.28% | +25.04% |
| 8 | Business Training & Employment Agencies | +3.43% | +41.60% | +58.23% | +16.36% | +37.63% |
| 9 | Durable Household Products | +3.37% | +23.30% | +45.24% | +11.65% | +27.59% |
| 10 | Personal Products | +3.30% | +12.48% | +19.12% | -0.53% | +8.63% |
⛏️ Metals are dominating
The metals complex is clearly the epicenter of today’s rotation.
Nonferrous Metals stands out dramatically, with a 14.34% one-day gain and a remarkable 78.13% three-month advance. Its one-year performance of +55.54% confirms that today’s move is part of a much larger trend.
Gold Mining is similarly impressive, gaining 41.85% over one week, 18.64% over one month, and 84.62% over three months.
Mining has also generated a 41.91% weekly gain and 78.27% three-month return.
This breadth across related industries is important. It indicates that the move is not isolated to one particular group but represents a broad re-rating across the resource complex.
📉 Bottom 10 Sectors Today
The weakest sectors present a very different picture. Selling is particularly severe in construction, consumer discretionary and aerospace/defense-related industries.
| Rank | Sector | 1D | 1W | 1M | 3M | 1Y |
|---|---|---|---|---|---|---|
| 1 | 🔻 Heavy Construction | -6.31% | -4.46% | -15.20% | +43.74% | +34.65% |
| 2 | Footwear | -4.90% | -7.41% | -13.72% | -42.83% | -31.60% |
| 3 | Defense | -4.76% | -1.71% | +3.94% | +4.49% | +5.29% |
| 4 | Furnishings | -3.98% | -4.16% | -0.06% | -18.28% | -17.97% |
| 5 | Recreational Products | -3.89% | +2.51% | +3.31% | -41.13% | -17.65% |
| 6 | Recreational Services | -3.75% | -1.71% | +3.76% | -19.21% | -7.50% |
| 7 | Apparel Retailers | -3.53% | -7.99% | -9.13% | +13.84% | +0.04% |
| 8 | Aluminum | -3.53% | +12.39% | -33.32% | +55.61% | -6.43% |
| 9 | Aerospace | -3.19% | -2.69% | +2.53% | +19.06% | +9.35% |
| 10 | Home Improvement Retailers | -3.15% | +1.41% | +6.89% | -15.95% | -3.81% |
⚠️ The consumer side is considerably weaker
Footwear is particularly concerning, with losses extending well beyond today’s decline. The group is down 7.41% over one week, 13.72% over one month and 42.83% over three months.
Furnishings and recreational products are also showing substantial medium-term weakness.
Heavy Construction is an interesting exception. Despite today’s 6.31% collapse, the sector remains up 43.74% over three months and 34.65% over one year. This looks more like a sharp correction inside a powerful longer-term trend than an established long-term breakdown.
💰 Financials Continue to Show Relative Strength
Financials are one of the more constructive areas outside commodities.
The U.S. Financials Index gained 1.09%, while Financial Services rose 2.11%. Consumer Finance was particularly strong at +3.19%, Investment Services gained 2.50%, and Insurance advanced 1.59%.
The medium-term numbers reinforce the picture. Financials are up 10.21% over one month, while Financial Services have gained 11.37%.
This suggests that the financial complex is participating in the broader risk-on environment rather than acting as a defensive refuge.
🧬 Health Care Is Another Major Leader
Health care has quietly become one of the strongest areas in the broader market.
The U.S. Health Care Index is up 6.77% over one week and 17.02% over one month, with a 26.41% three-month gain.
Biotechnology is even stronger, gaining 12.02% over one week and 27.71% over one month.
Pharmaceuticals & Biotechnology has risen 42.83% over three months, while Pharmaceuticals alone are up 51.62%.
This makes health care one of the more interesting areas for investors looking beyond the dominant technology and commodity themes.
💻 Technology: Strong Trend, Short-Term Consolidation
Technology remains structurally strong, but the latest session shows some profit-taking.
The U.S. Technology Index declined 0.50%, while Semiconductors fell 2.08% and Technology Hardware & Equipment dropped 1.39%.
However, the longer-term picture remains powerful.
The Technology Index is up 29.52% over three months, while Technology Hardware & Equipment has gained 50.34%. Computer Hardware is up 51.85%, Electronic Equipment has gained 65.52%, and Telecommunications Equipment has advanced 59.20%.
The important distinction is therefore between short-term weakness and long-term trend deterioration. The current data does not yet indicate that the broader technology trend has broken.
🛢️ Energy Remains Strong Despite Today’s Pullback
Energy also continues to exhibit strong medium-term momentum.
The U.S. Oil & Gas Index fell 1.85% today and Oil & Gas Producers declined 2.24%, but the three-month gains remain impressive at +41.07% and +42.03%, respectively.
Exploration & Production is up 50.85% over three months and 53.02% over one year.
Oil Equipment & Services has gained 55.37% over three months, while Oil Equipment Services & Distribution is up 39.80%.
This suggests today’s weakness is currently better interpreted as a pullback within a strong energy trend.
🏠 Real Estate and Utilities Remain Under Pressure
Real estate presents a mixed picture. The broad U.S. Real Estate Index is almost flat today at +0.03%, but Real Estate Services fell 3.01%.
Utilities are weaker still. The U.S. Utilities Index declined 1.22%, while its one-week and one-month performances stand at -6.17% and -4.41%.
Electricity-related groups are similarly weak, with Conventional Electricity down 6.27% over one week and Electricity down 6.29%.
This is a significant divergence from the resource complex and suggests investors are currently favoring cyclical/resource exposure over traditional defensive income-oriented sectors.
🚂 Transportation Shows Selective Strength
Transportation is another area where the internal picture matters.
Railroads gained 2.51% today and are up 12.62% over one month and 41.33% over three months.
Delivery Services gained 2.70%, with a 41.88% three-month gain.
Industrial Transportation is up 41.06% over three months, while Marine Transportation has gained 41.47%.
Trucking is considerably weaker, falling 2.77% today and 12.03% over one week.
The divergence suggests that transportation demand is not moving uniformly across the industry.
🔄 Sector Rotation Scorecard
The current market can be broadly divided into four groups.
Strong leadership: metals, mining, gold mining, financial services, health care, selected technology hardware and energy.
Strong longer-term trends with short-term pressure: semiconductors, technology, aerospace, construction and oil & gas.
Mixed/neutral: real estate, consumer goods, industrials and selected transportation groups.
Clear weakness: utilities, footwear, furnishings, recreational products, portions of retail and several construction-related industries.
This is a classic environment where looking only at the major indices can be misleading. The major benchmarks remain healthy, but sector dispersion is extremely high.
🧭 StockInsight™ Market Interpretation
The strongest signal from this dataset is capital rotation rather than indiscriminate risk-on buying.
The resource complex is experiencing extraordinary momentum. At the same time, technology is consolidating after substantial gains, while consumer discretionary and utilities are losing ground.
That combination points toward a market where investors are increasingly rewarding earnings leverage, tangible assets, commodity exposure and selected cyclical industries.
The biggest risk is that some of the strongest resource groups are becoming extremely extended. A sector such as Gold Mining, for example, has gained more than 84% over three months. Momentum can remain powerful, but such moves also create vulnerability to sharp profit-taking.
Conversely, sectors suffering large one-day losses should not automatically be considered bearish opportunities. Heavy Construction demonstrates why: despite falling 6.31% today, it remains up more than 43% over three months.
🚨 Key Signals to Watch
🟢 Bullish: The breadth of strength across metals and mining is exceptionally strong.
🟢 Bullish: Small caps remain up more than 20% over the longer period shown, supporting the view that participation extends beyond mega-caps.
🟢 Bullish: Financials and health care are providing additional leadership outside commodities.
🟡 Watch: Technology and semiconductors are experiencing short-term weakness despite powerful longer-term trends.
🟡 Watch: Several previously strong cyclical groups are experiencing abrupt corrections.
🔴 Risk: Utilities and parts of consumer discretionary are showing persistent weakness across multiple periods.
🔴 Risk: Some commodity groups have become extremely extended after very large multi-month gains.
🏁 Final Take
The latest sector data paints a bullish but increasingly rotational market.
The headline indexes remain healthy, but the real story is happening underneath them. Metals, mining, gold, energy, financial services and health care are attracting substantial momentum, while utilities, consumer discretionary and selected construction-related industries are struggling.
For investors, the most important takeaway is that sector selection is becoming more important than simply being invested in the broad market.
The StockInsight™ view is therefore constructive on the overall market trend, bullish on resource and selected cyclical leadership, cautiously bullish on financials and health care, and more defensive toward utilities and weaker consumer groups.
The biggest question going forward is whether the extraordinary strength in commodities broadens into the rest of the cyclical market—or whether the current leadership becomes increasingly concentrated and vulnerable to a momentum reversal.
