Amazon shares slide over 6% after hours on quarterly results miss

Investing.com -- Amazon on Thursday missed quarterly top- and bottom-line estimates, sending shares of the company down more than 6% after hours. Still guessing which stocks will beat the market? Our AI portfolio updates monthly and is outperforming the S&P 500 by 118%. See this month's list » The e-commerce and tech giant's results come at a time when spending on artificial intelligence has been under intense scrutiny. Concerns have soared over the billions of dollars being poured into AI infrastructure, or the combined hardware and software stack needed to handle massive data and computing power used to build and train AI processes.