The NASDAQ-100 is widely followed as a measure mainly of the big tech and social media stocks that make up the index.

The tech-heavy Nasdaq 100 is the best performer but more risk-averse investors may prefer the more broadly diversified S&P 500.

The new high in the S&P 500 last week generated some warning signs for the stock market as discussed by the Viper Report’s Tom Aspray.

Meta and Tesla rally after-hours, while Microsoft slides. Stock futures edge higher—will the gains hold? Full market analysis inside.

Microsoft and Meta report earnings today, with AI investments and cloud growth in focus. Can these tech giants sustain their stock market momentum?

It's often the case that U.S. traders treat an overnight sell-off in stock-index futures as an opportunity rather than a warning. So the next few hours, as the East coast wakes, up will be instructive.

Futures tied to the Nasdaq-100 index sank more than 4% early Monday, on concerns about disruptive Chinese AI technology. If the tech-heavy index drops by a similar amount in regular trading hours, that would mark the worst day in more than two years.

The Nasdaq Composite slid more than 3% in Monday’s trading as a slate of AI-related plays, including chip darling Nvidia, tanked.

American stocks crashed on Monday as focus shifted to the upcoming Federal Reserve interest rate decision and as concerns about DeepSeek’s success. Futures tied to the Dow Jones index fell by over 1%,

U.S. stocks in the technology-heavy Nasdaq-100 index were rising Tuesday, with a popular exchange-traded fund that tracks the index getting a sharp lift from Big Tech stocks, in particular. The Invesco QQQ Trust Series I was up 1.

​​​FTSE 100, DAX 40 and Nasdaq 100 drop amid China growth contraction and AI concerns. ​The FTSE 100 is swiftly coming off Friday's 's record high at 8,587 amid renewed US tariff threats but seems to be finding support marginally above its key 8,419-to-8,372 support zone. This is expected to hold.

Despite the smaller size of its component companies, the Russell 2000 itself is not insignificant. The IWM, the ETF of the Russell 2000, is the seventh most actively traded equity based on options trading notional value, not far behind the QQQ, the exchange-traded fund (ETF) of the Nasdaq 100. This indicates superior liquidity for traders.