Domestic stock markets gained in opening trade on Wednesday a day after the government appointed a new central bank governor. The S&P BSE Sensex opened at 35,277.84 and the Nifty50 barometer of the National Stock Exchange (NSE) at 10,591. In the first few minutes of trade, the 30-share Sensex traded at 35,354.84, up 204.83 points or 0.58 per cent and the 50-scrip Nifty at 10,607.75, with a gain of 58.60 points or 0.56 per cent.