Monday, Sep 14, 2026, then tomorrow
All four major indices closed lower on Monday, Sep 14, with the Nasdaq (NDAQ) 100 leading declines at -0.79% (close 709.24) as tech was the worst sector at -1.82%. The selloff had identifiable drivers: the 10-year Treasury yield briefly touched 5% and the 30-year hit 5.38%, sending iShares 20+ Year Treasury ETF (TLT) [TLT] to an all-time low as markets priced 90% odds of a Fed hike this week. AI liability concerns following comments from a Musk biographer and Nvidia (NVDA) / Palantir (PLTR) [PLTR] restrictions on Anthropic model usage hit chip and semiconductor names, while Microsoft's (MSFT) [MSFT] new AI safety rules flipped the security software sub-sector positive, with SentinelOne (S) [S] rallying roughly 16%. Only 3 of 11 sectors closed green (Communication Services +2.18%, Health Care +1.43%, Consumer Staples +1.23%), and VIX jumped 1.26 points to 17.1. The rate-hike pricing, AI liability narrative, and tech/defensive rotation all carry directly into Tuesday.
Today's rotation
One-day total return of the 11 SPDR sector ETFs.
| Communication Svcs | +2.18% | |
| Health Care | +1.43% | |
| Consumer Staples | +1.23% | |
| Consumer Discretionary | -0.09% | |
| Financials | -0.33% | |
| Real Estate | -0.63% | |
| Energy | -0.90% | |
| Materials | -0.90% | |
| Utilities | -1.34% | |
| Industrials | -1.40% | |
| Technology | -1.82% |
What drove it (and may carry over)
Curated from the day's market wire.
Tuesday, Sep 15, 2026
What is scheduled, with ET times. Not a forecast of how it lands.
No economic data or earnings are scheduled for Tuesday, Sep 15, making it a catalyst-light session ahead of the week's two key events: Retail Sales at 8:30 AM ET on Sep 16, and the Fed decision at 2:00 PM ET with the press conference at 2:30 PM ET, also on Sep 16. With 90% Fed hike odds already priced per today's headlines, Tuesday's tape will likely be shaped by positioning into Wednesday rather than fresh data. Watch whether the VIX 17.1 level holds or extends, whether Communication Services and Health Care defensive leadership continues, and whether the AI liability/chip narrative finds any reversal catalyst.
No major scheduled catalysts.
Session structure
How the calendar shapes each holding period. Descriptive only: not advice, and not a recommendation to trade anything.
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