Indian equity markets turned red today in the mid-day trading. Since the very first trading hour, the Nifty started to fall today. Nifty 50 opened at 16,662.55 points while Sensex opened at 55,877.50 points, on July 25. Till 12.36 am, Nifty 50 was down by 0.71%, and Sensex was down by 0.70%.