USL's stock ended the day 2.79 per cent lower at Rs 2,699.95 on the BSE. During intra-day trading, the scrip lost 2.96 per cent to Rs 2,695.
At the NSE, the stock settled with a loss of 2.72 per cent at Rs 2,701.95.
United Spirits will sell its UK-arm Whyte & Mackay for 430 million pounds (about Rs 4,360 crore) to Philippines-based Emperador in a bid to clear a regulatory hurdle related to Diageo's acquisition of the company formerly controlled by Vijay Mallya.
"United Spirits (Great Britain) has approved the sale and entered into the sale and purchase agreement with Emperador UK and Emperador Inc," it had said.