S&P 500 6,712.40 ▲ 0.62%Nasdaq 22,780.51 ▲ 0.94%Dow 46,758.28 ▲ 0.11%Russell 2000 2,476.18 ▼ 0.38%VIX 16.42 ▼ 3.10%S&P 500 6,712.40 ▲ 0.62%Nasdaq 22,780.51 ▲ 0.94%Dow 46,758.28 ▲ 0.11%Russell 2000 2,476.18 ▼ 0.38%VIX 16.42 ▼ 3.10%
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US Equities · S&P 500 · Nasdaq · Small & Micro-Caps

Daily Update · Oct 19, 2026 · By AST Markets Desk (AI-assisted)

Open: Tech leads early gains as Dow lags

U.S. stocks opened mixed Monday, Oct. 19, 2026, with Nasdaq shares leading gains as investors weighed credit concerns and overseas risks.

NVDA $188.90 ▲ 3.40%JPM $301.70 ▲ 0.80%AEHR $24.10 ▼ 3.20%PLUG $2.31 ▲ 12.40%DUOT $7.42 ▲ 6.30%

U.S. equity benchmarks were mixed shortly after the opening bell, with technology shares out front. The Nasdaq 100-tracking QQQ rose 1.15% to $717.93, while the S&P 500-tracking SPY gained 0.42% to $766.44. The Dow-tracking DIA slipped 0.13% to $518.40, and the Russell 2000-tracking IWM edged up 0.13% to $270.79.

Nvidia gained 0.54% to $215.29, Microsoft rose 0.50% to $531.72 and Apple added 0.40% to $344.82. JPMorgan Chase fell 0.72% to $337.27, while Exxon Mobil eased 0.06% to $178.88.

Among small-caps, Plug Power climbed 4.35% to $1.44, at the top of its early range, and Aehr Test Systems advanced 3.48% to $62.71. Intuitive Machines gained 1.76% to $10.97. Micro-cap Duos Technologies rose 2.59% to $5.54, while ClearSign Technologies added 0.42% to $2.41.

Credit and sovereign-debt concerns remained in focus despite the early technology gains. CNBC highlighted credit stress threatening the AI rally, with Oracle a focal point, and reported declines in Paris-listed stocks, bonds and the euro amid French unrest and debt fears. Reuters reported that oil slipped from a five-month high as traders focused on Hormuz transits.

The next test is whether technology shares can sustain their lead and small-caps can build on their modest advance. QQQ was below its early high of $720.22, while IWM traded near the bottom of its $270.74–$272.6 range. Further developments around AI-related credit stress, French debt concerns and Hormuz shipping remain in focus.