Top Gainers & Losers on May 18: Gland Pharma, Coforge, PB Fintech, BSE, Voltas, Bharti Airtel among top gainers by Live mint | May 18, 2026 4:16 pm | Indian Stocks, Market, News Indian stocks marginally gained on May 18, driven by strong tech buying and pharma support, with Nifty 50 up 0.03% at 23,649 and BSE Sensex at 75,263. However, the broader market faced pressure as Nifty Midcap 100 and Nifty Smallcap 100 fell.