Indian shares erased early gains and ended lower on Friday, wrapping up their worst month since February 2016. The Sensex closed down 97 points at 36227.1, and the Nifty down 44.4 points at 10,933. The BSE midcap and smallcap indices suffered more losses than the benchmark Sensex. The midcap index closed 1.61 per cent lower, the smallcap index suffered a major loss of 3.41 per cent. After touching fresh 52-week low, shares of yes bank settled 9.72 per cent down. The scrip extended losses on Friday after reports that Madhu Kapur, wife of late yes bank co-founder Ashok Kapur, sold around 0.04 per cent of her stake in the bank. The infibeam stock suffered a terrible fall, closing them down by 70.24 per cent on BSE. The crash came a day ahead of the company’s scheduled annual general meeting (AGM). Shares of Adani enterprises ltd fell as much as 8.5% on BSE. As many as 9.27 Lakh shares changed hands as of afternoon on Friday as against the two-week moving average of 10.38 Lakh shares. In a major security breach, Facebook revealed that up to 50 million of its accounts were breached by hackers, dealing a blow to the social network's effort to convince users to trust it with their data. Facebook immediately got the logins of these 50 million users to reset as a precautionary measure. Facebook CEO and founder Mark Zuckerberg later posted that the social network was still investigating the breach.