Major Movers, October 23, 2026

Pre-market, the S&P 500 ETF is down 0.2%. Sectors are mixed: Technology is roughly flat at +0.1% with chip names leading, Energy is the best performer at +0.4%, while Health Care and Consumer Staples each slip 0.7%. Health Care is dragged by Moderna, down 4.7%, its worst constituent, and Consumer Staples by Grocery Outlet, down 6.0%. Financials is down 0.2%, led by Cboe Global Markets at +2.2%. Within Technology, SK Hynix jumps 5.1% after confirming it has discontinued the Solidigm IPO review, while VeriSign lags at -3.6%. Real estate names Crown Castle (+7.9%) and American Tower (+5.6%) stand out sharply versus the rest of their group.

Factors show a mild growth/momentum tilt: S&P 500 Momentum +0.4% versus Dividend ETF -0.6%; most others are flat.

Mega-cap growth is quiet, with Applied Materials (+1.3%) and Lam Research (+1.2%) at the top and Accenture (-2.2%) and Adobe (-1.5%) at the bottom.

Among other sector ETFs, semiconductor funds are firm, with the Semiconductor ETF up 2.1%, iShares Semiconductor ETF up 1.0% and VanEck Semiconductor ETF up 0.9%, while the Communication Services ETF is down 0.8%.

The chip strength carries into individual names, with several optical and memory suppliers among the day's top gainers, while telecom carriers dominate the losers.

Lumentum Holdings +4.0%
Ciena +3.2%
Sandisk +2.8%
Coherent +2.5%
Qnity Electronics +2.5%
Deckers Brands -8.5%
T-Mobile US -3.9%
AT&T -3.7%
Verizon -3.3%
Karman Holdings -1.6%

Among thematic and regional funds, the iShares A.I. Innovation and Tech Active ETF rises 2.2% and the India ETF falls 2.1%.