NEW DELHI: Tata Consultancy Services, Alchemist, Atlanta, Chromatic India, Arrow Greentech, Engineers India and JK Lakshmi Cement hit 52-week lows on NSE during Thursday's trade.By 11:20 am, as many as 54 stocks had touched their 52-week low level on NSE even as equity markets were positive.KSK Energy Ventures, Manpasand Beverages, Orient Paper Industries, Rolta India and Ruchi Infrastructure also featured among the stocks that hit 52-week lows on NSE today.Key equity indices were trading up, tracking positive global cues after worries over the political crisis in Italy subsided.Short-covering of bets, today being the last session of May expiry in the derivatives segment, kept the overall sentiment up.Private bank, IT and financial stocks were experiencing buying interest.The NSE Nifty index was trading 32 points up at 10,646, while the BSE Sensex was up 119 points at 35,025 around 11:20 am.In the Nifty pack, 24 stocks were trading in the positive terrain, while 26 were in the negative zone.Sun Pharma, ICICI Bank, Dr Reddy's Labs and Vedanta were among the top losers in the Nifty index.