Benchmark indices Nifty and Sensex continued to trade lower during the mid-day on October 30 as investors took profits off the table following a two-day rally on the bourses. Bank and Pharma stocks among others dampened the sentiment ahead of Diwali. At noon, the Sensex was down 133.56 points or 0.17 percent at 80,235.47, and the Nifty was down 28.00 points or 0.11 percent at 24,438.80.