Live: Tech stocks take a hit after talk about new export rules on semiconductor chips

Tech stocks are taking a battering after talk of new export rules on semiconductor chips in the US. Nvidia was the biggest loser on the Nasdaq on Wall Street. Follow the day’s events and insights as they happen with our business reporters on the ABC News live markets blog.  Tech stocks are taking a battering after talk of new export rules on semiconductor chips in the US. Nvidia was the biggest loser on the Nasdaq on Wall Street. Follow the day’s events and insights as they happen with our business reporters on the ABC News live markets blog.  Banking, Currency, Financial Markets, Money and Monetary Policy, Retail Industry, Stock Market, Tax, Business, Economics and Finance, Economic Trends, Company News, Cryptocurrency Latest business news