Things just keep getting worse for the stock market. The S & P 500 , Nasdaq , and Dow suffered their fourth consecutive week of losses as the Iran war and hot wholesale inflation stoked economic concerns. Nvidia 's annual GTC developers event last week was chock full of bullish announcements and the talk of Wall Street and Silicon Valley. Still, it did not help the AI chip powerhouse's stock. Micron's earnings report and post-release commentary provided an update on how severe the worldwide memory shortage ...