(Bloomberg) Chinese authorities boosted messages of policy support in a bid to stabilize market confidence, underscoring their heightened focus on stemming the rout in stocks.Most Read from BloombergApple Dials Back Car’s Self-Driving Features and Delays Launch to 2028China Weighs Stock Market Rescue Package Backed by $278 BillionTurkey Approves Sweden NATO Bid, Leaving Hungary as HoldoutAn Isolated Israel Doubles Down on War in Gaza — At All CostsThe nation’s state-owned enterprise watchdog