Wall Street and Main Street face off next week with Nvidia, consumer earnings. Here's what's ahead

Next week will test whether the AI rally can hold as fears of rising inflation grow. Stocks have been ripping higher thanks to a revival in enthusiasm around artificial intelligence. Since its March low, the S & P 500 has rallied roughly 19% to top 7,500 this week for the first time ever. Chip stocks, and especially memory, are responsible for that advance. …