The ruling Communist Party is tightening political control over China’s internet giants and tapping their wealth to pay for its ambitions to reduce reliance on US and European technology. Anti-monopoly and data security crackdowns starting in late 2020 have shaken the industry, which flourished for two decades with little regulation. Investor jitters have knocked more than USD 1.3 trillion off the total market value of e-commerce platform Alibaba, games and social media operator Tencent and other tech giants. The party says anti-monopoly enforcement will be a priority through 2025. It says competition will help create jobs and raise living standards....