Beijing moves to steady A-share market after sharp tech sell-off

China’s top securities regulator has signalled fresh support for the domestic A-share market, convening a symposium over the weekend as authorities sought to shore up sentiment following a sharp sell-off in technology shares driven by concerns over US sanctions.

The China Securities Regulatory Commission (CSRC) brought together executives from listed companies and experts from securities firms and fund managers at a meeting in Beijing on Saturday to “discuss the country’s capital markets and...