Stock markets closed lower for the third consecutive session on Tuesday with the benchmark Sensex sliding nearly 314 points due to selling in IT and auto shares as foreign fund outflows dampened investor sentiment.Photograph: Francis Mascarenhas/ReutersIn a volatile trade, the 30-share BSE Sensex dropped 313.70 points or 0.37 per cent to settle at 84,587.01 with 24 of its constituents closing lower and six with gains.During the day, it fell by 363.98 points or 0.42 per cent to 84,536.73. The 50-share NSE Ni ...