Stock Market Outlook for September 15, 2026

Small caps giving way to a return of mega cap dominance?
*** Stocks highlighted are for information purposes only and should not be considered as advice to purchase or to sell mentioned securities. As always, the use of technical and fundamental analysis is encouraged in order to fine tune entry and exit points to average seasonal trends.
Stocks Entering Period of Seasonal Strength Today:
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Stock Highlight: |
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Altius Minerals Corp. (TSE:ALS.TO) Seasonal Chart |
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Employers Holdings Inc. (NYSE:EIG) Seasonal Chart
iShares U.S. Dividend and Buyback ETF (AMEX:DIVB) Seasonal Chart
iShares Global Agriculture Index ETF (TSE:COW.TO) Seasonal Chart
Disclaimer: Comments and opinions offered in this report are for information only. They should not be considered as advice to purchase or to sell mentioned securities. Data offered is believed to be accurate, but is not guaranteed.
The Markets
Stocks stumbled into the new week as interest rates continued to climb, alongside the rise in oil prices, and concerns pertaining to the unmonitored rollout of AI had investors scrutinizing the risks to the AI buildout ahead. The S&P 500 Index slipped by nearly half of one percent, still swinging wildly around previous resistance and implied support at 7620. Next level of support below 7620 can be pegged at the mid-July highs around 7575, a break of which would start to invalidate the short-term bull-flag pattern that we have been highlighting in recent weeks. The 50-day moving average (~7610) that was cracked through the middle of last week continues to hold as the bulls attempt to remain in control of the tape. Historically, the most volatile period for equity performance in the year is just days away, therefore heightened caution is becoming appropriate. In the Seasonal Advantage Portfolio that we manage for clients at CastleMoore, we continue to hold an elevated exposure to stocks, aligning with the optimism that the manufacturing economy is expressing, but our patience is growing thin and we may need to adjust should the persistency of headwinds against stocks (outside of energy) endure. Subscribers can view what we are targeting in our list of market segments to either Accumulate or Avoid.
Want to know which areas of the market to buy or sell? Our Weekly Chart Books have just been updated, providing a clear Accumulate, Avoid, or Neutral rating for currencies, cryptocurrencies, commodities, broad markets, and subsectors/industries of the market. Subscribers can login and click on the relevant links to access.
- Currencies
- Cryptocurrencies
- Commodities
- Major Benchmarks
- Sub-sectors / Industries
- ETFs: Bonds | Commodities | Equity Markets | Industries | Sectors
Today, in our Market Outlook to subscribers, we discuss the following:
- Our weekly chart books update, along with our list of all segments of the market to either Accumulate or Avoid
- Other Notes
- Additional Thoughts
Subscribers can look for this report in their inbox or by clicking on the following link and logging in: Market Outlook for September 15
Sentiment on Monday, as gauged by the put-call ratio, ended bullish at 0.89.
Seasonal charts of companies reporting earnings today:



S&P 500 Index
TSE Composite
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