Naspers tumbles even as Tencent quashes China crackdown fears Tencent Holdings denied online speculation that it’s facing a major regulatory crackdown, issuing an unusually aggressive public response after fears of more tech-sector restrictions tanked markets on Monday. Zhang Jun, Tencent’s head of PR, disputed a widely circulated post that suggested the company would weather another heavy blow from regulators in the near future. The account carrying the rumour has since been suspended, Zhang said on his semi-public WeChat feed. “Ask me next time, at least that’s more legit. And I’m not afraid of going on record,” Zhang said, poking fun…