It’s time to buy the stock. Amphenol makes cables, sensors, and all kinds of connectors for electricity and data used in cars, planes, mobile phones, and the data centers that power AI. The AI boom helped the stock notch a 22% annual total return over the past five years,

The valuation of Artificial Intelligence chipmaking firm Nvidia has plummeted after the debut of Chinese AI chatbot DeepSeek caused panic and mass sell-offs in the wider tech sector. In what ...

Tuesday's Forbes Daily covers Chinese AI DeepSeek's impact on stock market, Boeing's earnings woes, Trump's military orders, Super Bowl ticket and party prices, and more.

Exchange-traded funds that invest in semiconductor stocks swung into positive territory on Tuesday, erasing losses seen earlier in the trading session after being beaten down Monday. The iShares Semiconductor ETF was up 0.

The Nasdaq Composite has erased early gains as losses for shares of Microsoft Corp. and Nvidia Corp. accelerated, weighing on the broader index. Microsoft shares were down more than 6% earlier, while Nvidia was down nearly 4%,

Nvidia (NVDA) stock leads Tesla (TSLA) stock in earnings growth prospects among Magnificent Seven stocks. Read more here.

Looking ahead, the company provided an optimistic outlook for the first quarter (Q1), projecting revenues between €7.5 billion and €8.0 billion, which is above the FactSet Consensus of €7.21 billion. The gross margin for Q1 is expected to be between 52% and 53%.

Tesla’s fourth-quarter adjusted earnings miss analysts’ estimates but the stock rises on optimism over the electric-vehicle maker’s growth projections, Microsoft’s Azure growth misses estimates, and Meta’s fourth-quarter profit handily tops forecasts.

Big Tech stocks were mostly down late afternoon Friday, with artificial-intelligence chip maker Nvidia on pace for a large loss, according to FactSet data, at last check. Nvidia was down 3.5%, the worst performance among the seven Big Tech stocks held by the Roundhill Magnificent Seven ETF.

The S&P 500 advanced 0.92% to 6,067.70, with technology shares seeing the biggest gains among sectors. The Technology Select Sector SPDR Fund (XLK) rose more than 2%, following a 4.9% loss on Monday. The Nasdaq Composite surged 2.03% to 19,733.59, following a 3.1% decline a day ago.

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.

Single-stock, leveraged ETFs betting heavily on Nvidia's blistering rally plunged overnight, tracking losses logged by the chip darling.