China’s ByteDance, owner of TikTok, has seen its valuation surge to US$500 billion on the private market as it advances a survival plan in the US, up sharply from US$400 billion earlier this year, according to two sources. With the deadline for a sell-or-ban law looming, TikTok CEO Chew Shou Zi informed employees last week that the company had signed a binding agreement to divest its US entity into a joint venture controlled by American investors. “Investors are happy about the deal’s terms as...