The introduction of DeepSeek has caused a stock slump among major AI players, led by chipmaker Nvidia (NVDA) , since it could ...

Cathie Wood, chief of Ark Investment Management, believes in tech stocks that will have a disruptive impact. She isn’t afraid to buy them on the way down — or up. Sometimes her strategy works: The ...

Retail investors bought a net $562 million of Nvidia stock on Monday, the largest single-day inflow in at least 10 years, ...