Stocks to watch today: From Ola Electric to RailTel – Here are 9 stocks in focus today

Global tension rises, but companies make major deals and clean energy plans. Indian stock markets take a breather, Sensex and Nifty end lower. Polycab India lands mega contract, Hindustan Zinc invests Rs 12,000 crore for expansion. L&T announces progress in clean energy, Mahindra & M&M secure CCI approval for stake acquisition.