Tata Consumer Products shares surged over 6 percent on Tuesday, emerging as the top gainer on the Nifty 50 after the FMCG company reported better-than-expected earnings for the fiscal second quarter. Strong revenue growth, higher volumes in its India business and continued momentum in newer categories supported the company's Q2 performance. Tata Consumer stock rose 6.1 percent to Rs 994 in morning trade, taking the company's market capitalisation to past Rs 98,000 crore.