SUMMARY
Indian equities witnessed heavy selling on Friday. Investor sentiment was weak across global markets. The 30-scrip Sensex index fell 1,115.5 points to hit 54,586.8 at the weakest level of the day, and the broader Nifty50 benchmark slumped to as low as 16,340.9, down 341.8 points from its previous close. Here are key stocks that moved the most in today's trading session:

Hero MotoCorp | Shares of the company touched an intraday low of 3.88 percent and were the worst hit on Nifty50. However the shares ended 2.42 percent higher.

UPL | A fire broke out at the chemical company's Ankleshwar plant in Gujarat on Friday morning. The accident was reported at unit 1 of the company's plant. Post this, the stock ended 4.48 percent lower.

Cholamandalam Investment and Finance Company | Shares of the company ended 11.07 percent lower and were the biggest losers on Nifty500.

Voltas | Shares of Voltas tanked about 10 percent intraday after the company reported lower-than-expected numbers for the quarter ended March. The stock settled 7.71 percent lower.

Vardhman Textiles | The stock ended 8.40 percent higher and was the top gainer on Nifty500.