Stock Market Today: October 21, 2026 — Health Care Leads Broad Index Gains
US stocks closed higher on October 21, 2026, with the S&P 500 up 0.58% at 7757.17, the Nasdaq up 1.05% at 26702.86, and the Dow up 0.69% at 52856.09, led by a 1.87% gain in health care.
TL;DR
US stocks closed mixed but higher on October 21, 2026. The S&P 500 rose 0.58% to 7757.17, the Nasdaq Composite gained 1.05% to 26702.86, and the Dow Jones Industrial Average added 0.69% to 52856.09. The single most striking small-cap story was ASST climbing 13.64% to 30.75, topping today's gainers ahead of ALMR at 31.45 (+11.68%).
Health Care and Tech Lead the Board
Health care was the day's strongest sector ETF, with XLV rising 1.87% to extend its year-to-date gain to 15.07%. XLK added 1.39% and now sits 30.66% higher YTD. Financials XLF climbed 1.78%, bringing its YTD return to 2.02%. Utilities XLU rose 1.55% despite being down 2.73% for the year. Communication services XLC was the only notable decliner, falling 1.02% and deepening its YTD loss to 6.78%.
ASST Tops Today's Gainers
ASST closed at 30.75, up 13.64%, leading all listed gainers on the day. The move made it the standout small-cap name in today's session, outpacing ALMR, which gained 11.68% to 31.45. No volume figure was provided in today's close data, so the move stands on price action alone.
Crude Oil Falls as Energy Lags
WTI crude CL=F dropped 3.70% to 98.02, the largest single-day decline among the macro inputs tracked today. Energy equities XLE still managed a 0.53% gain, leaving the sector up 49.31% YTD despite the commodity's pullback. Gold GC=F eased 0.25% to 4132.3, while the US Dollar Index DX-Y.NYB slipped 0.04% to 101.69.
Actionable Takeaway
Today's leadership was concentrated in health care, financials, and technology, while communication services and staples lagged. ASST at +13.64% and RCUS at -19.58% define the day's dispersion. For tomorrow's session, scan for names repeating today's relative strength in XLV and XLF components while watching for follow-through selling in RCUS and other names breaking below recent support. Build that watchlist with today's gainers.
The Numbers Block
S&P 500 ^GSPC: 7757.17, +0.58% day, +13.10% YTD
Nasdaq Composite ^IXIC: 26702.86, +1.05% day, +14.92% YTD
Dow Jones ^DJI: 52856.09, +0.69% day, +9.25% YTD
Russell 2000 ^RUT: 2781.02, +0.27% day, +10.88% YTD
VIX ^VIX: 16.68, -3.64% day
10-Year Treasury Yield ^TNX: 5.15, +0.57% day
US Dollar Index DX-Y.NYB: 101.69, -0.04% day
WTI Crude CL=F: 98.02, -3.70% day
Gold GC=F: 4132.3, -0.25% day
| Sector | ETF | Day % | YTD % |
|---|---|---|---|
| Health Care | XLV | +1.87% | +15.07% |
| Financials | XLF | +1.78% | +2.02% |
| Utilities | XLU | +1.55% | -2.73% |
| Technology | XLK | +1.39% | +30.66% |
| Industrials | XLI | +0.98% | +6.54% |
| Real Estate | XLRE | +0.94% | +4.16% |
| Consumer Discretionary | XLY | +0.93% | -2.38% |
| Materials | XLB | +0.73% | +11.27% |
| Energy | XLE | +0.53% | +49.31% |
| Consumer Staples | XLP | -0.11% | +12.13% |
| Communication Services | XLC | -1.02% | -6.78% |
ASST 30.75 (+13.64%)
ALMR 31.45 (+11.68%)
SKYD 7.87 (+10.85%)
NTSK 21.81 (+10.04%)
INOD 60.56 (+10.02%)
RCUS 19.1 (-19.58%)
LAD 269.13 (-10.15%)
TLX 10.03 (-10.13%)
TAL 10.55 (-8.89%)
MHO 114.04 (-8.08%)