Why NetEase, Huya, and Gaotu Techedu Stocks All Dropped Today

As the trading week winds down on Friday and heads into the holidays, there's big trouble brewing in China's big tech sector. Shares of online gaming company NetEase (NTES -15.18%) crashed 15% through noon today, while Huya (HUYA -10.19%), a specialist in livestreaming of online games, fell 10.7% in response to rumored regulations coming down from the Chinese government.Gaotu Techedu (GOTU -8.33%), which isn't a gaming company at all but rather a for-profit educator, seemed to fall in sympathy with its gami ...