Shares of NVIDIA Corp. NVDA rallied 4.45% to $144.47 Friday, on what proved to be an all-around great trading session for the stock market, with the S&P 500 Index SPX rising 1.26% to 5,942.47 and the Dow Jones Industrial Average DJIA rising 0.80% to 42,732.13.

U.S. stock indexes are drifting in erratic trading on Thursday to start 2025. The S&P 500 was up 0.1% in midday trading after flipping between an earlier loss of 0.1% and gain of 0.9%. It's coming off a four-day losing streak,

Tesla slumped after it disclosed it delivered fewer vehicles in the last three months of 2024 than analysts expected. The electric-vehicle company’s stock fell 6.2%. Some Big Tech stocks, which have been leading Wall Street for most of the last few years,

Do Custom AI Chips Make Marvell Stock A Buy? For instance, Broadcom’s sales from its custom AI chips and networking processors surged by 220% to $12.2 billion in 2024, up from $3.8 billion in revenue that the company generated from AI silicon in FY’23.

Alphabet is the parent company of Google, which has a 90% market share in the internet search business. AI chatbots such as ChatGPT are transforming the way people access information online, which is threatening traditional search engines like Google.