(Bloomberg) -- Investors betting on a revival in Chinese stocks in the new year are seeing their resolve tested as the market has deepened its slump in the first few days of trading. Most Read from BloombergMusk’s Drug Use Concerns Tesla, SpaceX Leaders, WSJ SaysBoeing Max Grounding Goes Global as Carriers Follow FAA OrderChina Says It Caught Foreign Consultant Spying for UK’s MI6Persistent concerns over the nation’s economic recovery and policy uncertainty have pushed an onshore equity benchmar