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US Stock Market Sector Analysis – October 2026

28 sectors, 86 tickers, tracked daily. Click any date to read the analysis.

Up (S&P 500 +0.1% or more)
Down (S&P 500 fell 0.1% or more)
Flat (within ±0.1%)
Market Closed

Each trading day is colored by the S&P 500 (SPY) close-to-close change: green for gains of +0.1% or more, red for losses of −0.1% or more, yellow for flat sessions within ±0.1%.

← September 2026 October 2026 November 2026 →
Mon
Tue
Wed
Thu
Fri
1
▲ Up
2
▲ Up
5
▲ Up
6
▲ Up
7
▼ Down
8
▼ Down
9
▲ Up
12
– Flat
13
– Flat
14
▼ Down
15
▲ Up
16
▼ Down
19
▲ Up
20
▲ Up
21
▲ Up
22
▼ Down
23
▼ Down
26
▲ Up
27
▲ Up
28
▲ Up
29
▼ Down
30
▼ Down

Monthly Market Summary

Through 22 trading days in October 2026 the S&P 500 has seen 12 up days, 8 down days and 2 flat days, reflecting a modestly positive but choppy market. Sector performance is highly divergent, with Healthcare (+20.4%), Defense & Aerospace (+18.2%) and IT Services (+17.8%) leading the gains. At the same time Industrial (-19.1%), AI Networking & Interconnect (-24.8%) and Memory & Storage (-29.2%) are weighing heavily on the market. Overall the market is trading with clear rotation and volatility, favoring defensive and select service-oriented names while semiconductor- and AI-related groups remain under pressure.

Daily Reports

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