Tech stock rebound, bubbles, Nvidia earnings: Market Takeaways

US stocks (^DJI, ^IXIC, ^GSPC) managed to close Wednesday's trading session in positive territory ahead of Nvidia's (NVDA) third quarter earnings release, which beat Wall Street expectations on the top and bottom lines. Yahoo Finance markets and data editor Jared Blikre breaks down the biggest market themes from today’s trading day, including the tech sector's rebound and the nature of market bubbles. To watch more expert insights and analysis on the latest market action, check out more Asking for a Trend.