BENGALURU, April 10 -- Indian stock market closed almost flat on the Tuesday trading session after hitting an all-time high during the opening trade. The Nifty touched an all-time high of 22,768.40 to finally close at 22,641.75 while the Sensex touched an all-time high of 75,124.28 to settle at the level of 74,683.70 when closed. BSE midcap and small-cap indices ended on a negative note.The pullback in the closing was attributed to weakness in key stocks such as Reliance, Asian Paints, and Titan, which offset gains primarily driven by IT and financial sectors.In the Nifty 50 index, Apollo Hospitals, Hindalco, ICICI Bank, Eicher Motors, and Infosys were the notable gainers, while Titan, Coal India, Hero MotoCorp, Reliance, and Asian Paints recorded losses. Although, the Nifty midcap, Nifty Bank and Nifty Financial services closed in green with marginal gain."Sector-wise, media and PSU Banks emerged as the biggest losers, declining by 1.25% and 0.90% respectively....