 Stocks are mixed in midday trading, but the Nasdaq is bouncing up from an earlier low. I'm Seth Soutel, and this is Markets in a Minute. Following the worst day for big technology stocks since 2022, the S&P 500 was up 0.4% in the first hour of trading Thursday. The Nasdaq Composite rose 0.4%. Nvidia and other chip companies regained some of their steep losses from the prior day after industry heavyweight Taiwan Semiconductor reported stronger profit growth than analysts had expected.