The BSE benchmark Sensex was trading 56 points up at 19,716 points in late morning deals today. Snapping its four-session losing streak, the 30-share barometer recovered by over 86 points in early trade today on emergence of buying by funds and retailers amid a firming Asian trend. The index had lost almost 345 points in the previous four sessions.Nifty was also trading 21 points up at 5,978 points a shortwhile ago.