United Breweries surges 9 pct to a 14-month high.
News channel CNBC TV 18 says Heineken likely to hike stake in the company, citing sources.
Heineken currently owns 39.01 pct in the company – BSE data.
Vijay Mallya group companies own 35.81 pct in United Breweries, and about half of this stake is pledged, according to Reuters calculations.
Heineken and United Breweries were not immediately reachable for commen.