Share Market Today: Indian stock markets (Sensex and Nifty) in a choppy stock market trading managed to end in positive territory on Thursday with BSE Sensex and NSE Nifty concluding at fresh all-time highs. In a significant stock market development, Mukesh Ambani-led Reliance Industries hit a market capitalization of Rs 8 lakh crore while L&T shares rallied nearly 3% intraday after the\u00a0company approved first-ever share buyback. Indian equity markets started higher on Thursday with BSE Sensex hitting a new all-time high and\u00a0NSE Nifty breaching the psychological mark of 11,600 for the first time in stock market history. A nominal\u00a0uptick in the heavyweight shares of ITC, HDFC, Axis Bank and HDFC Bank\u00a0steered the key equity indices to record highs in the early session on\u00a0Thursday. Asian shares slipped on Thursday as a deadline loomed for fresh US tariffs on China and amid speculation US President Donald Trump's political position could be threatened by the legal woes of two former advisers, a Reuters report said.