The Indian stocks traded lower on Tuesday morning, down as much as nearly 100 points, led by losses in HDFC, HDFC Bank, ITC, M&M and Cipla. The 30-scrip Sensitive Index (Sensex) of the S&P Bombay Stock Exchange (BSE) opened at 26,487.51 points, 80.48 points or 0.3 percent down from the previous close of 26,567.99 points.