Whenever diversified conglomerate Reliance Industries' stock has closed 5% or higher, the gains have historically lifted the benchmark Nifty 50 index over the next month. On November 2, the firm's shares rallied 8% as the firm's latest quarterly earnings fueled optimism. According to an analysis of Reliance Industries' share price by Ashish Gupta, a Singapore-based trader, a strong move in the heavyweight stock has often translated into strong returns for the index.