News Summary

• Chipmaker Nvidia is poised to release a quarterly report Wednesday.
• It could provide a better sense of whether the stock market has been riding an overhyped artificial intelligence bubble.
• Nvidia becomes the first publicly traded company to surpass a market value of $4 trillion last month.
• Its stock price has gained another 13% since then to create an additional $500 billion in shareholder wealth..
• The latest financial results are due out Wednesday afternoon.
• They have become a key AI barometer during the past two years because Nvidia makes most of the chips that power the technology in vast data centers at the center of the boom.