China’s leaders are dedicated to promoting the digital economy and ensuring it remains a key growth engine. Regulatory moves on the booming sector in the past 18 months have been about guaranteeing a fair market environment and improving governance. The heavy fines and other punishments handed out to some of the country’s leading technology firms under anti-monopoly rules have given outsiders an impression of the opposite, though, leading to a chilling effect and jittery stock markets. A symposium called by the nation’s top political advisory body to discuss developments and clarify the government’s policy was a timely step to assure...