Domestic stock markets bore a heavy selloff on Wednesday amid weakness across Asian peers.The S&P BSE Sensex plunged as much as 410.29 points to touch 35,059.86, while the Nifty50 barometer of the National Stock Exchange slipped 122.2 points to 10,541.30. While most sectors traded in the red in morning, banking, auto, energy, IT and pharma were the worst hit. Top laggards on the 50-scrip index were Hindustan Yes Bank, Sun Pharma, IndiaBulls Housing Finance, TCS and Tata Motors, trading between 3.46 per cent and 2.00 per cent lower.