“[…] a whole new set of risks are emerging from […] the threat of western sanctions on China, either because of its support for Russia or what might unfold in Taiwan.”

“In addition, China’s newly amended law against foreign espionage exemplifies its increasing wariness when it comes to foreign investors.”

These might be the two major reasons, the second one is maybe even more crucial and has a long-lasting impact imo. For example, a few weeks ago China detained consultants over charges of “espionage” because they conducted market research for corporate clients. If even such information is considered a state secret then foreign investors have practically no choice other than leaving the country.