** U.S.-listed shares of Chinese companies fell in extended trading after President Donald Trump announces reciprocal tariffs
** E-commerce firms Alibaba Group BABA.N falls 2.2%, JD.com Inc JD.O and PDD Holdings PDD.O down 0.6% and 2.6%, respectively
** Trump says he would impose a 10% baseline tariff on all imports to the United States and higher duties on some of the country's biggest trading partners
** As of last close, PDD shares up 22.8% YTD, while BABA and JD were up nearly 53% and 18.5% YTD, respectively
(Reporting by Prakhar Srivastava in Bengaluru)
((Prakhar.srivastava2@thomsonreuters.com))