Britannia Industries shares rose over 4% in early trade to rank among the top two Nifty 50 gainers on May 6. The gain comes after the fast-moving consumer goods major reported its quarterly results, which were muted but almost in line with CNBC-TV18 poll expectations. Britannia shares traded 2.17% higher at ₹4,847.40 on NSE at 9:45 am.