Twin peaks: Sensex closes above 77k, mcap tops $5tn

India's Sensex closes above 77,000 for the first time, driven by foreign fund inflows. The stock market value surpasses $5 trillion, joining US, China, Japan, and Hong Kong in elite status. Market reacts positively to the upcoming Budget and global trends, according to Vinod Nair of Geojit Financial Services. Sensex rises by 308 points or 0.