Asian stocks fell across the board amid risk aversion on Wednesday as Chinese stocks hit four-month lows despite a series of market-stabilizing measures by authorities. Around half of China’s roughly 2,800 listed firms announced trading halts as increasing signs of deleveraging drove down stocks across the board. There were fears that a prolonged slump would cause systematic risk for the country’s financial and banking system and the fallout from the market plunge could drag the global economy grappling with Greece’s debt woes.