The Nifty 50 and Sensex opened almost flat on Wednesday, as buying was seen in sectors like oil and gas and metal, while FMCG and PSU Bank were trading in the red. Sensex was up 59 points at around 82,451 while Nifty was up 18.55 points at 25,122 in the early trade. NSE Nifty Media leads as 11 sectors gain.