Conagra Brands, Inc. (NYSE:CAG) reportedly approached Pinnacle Foods Inc. (NYSE:PF) about a potential deal. Conagra and Pinnacle Foods have had contact in recent weeks, people familiar with the matter told Bloomberg. The talks are in the preliminary stages, however, and may not lead to a deal, Bloomberg reported.

Both Pinnacle and Conagra said they do not comment on market speculation. Pinnacle shares extended gains, rising as much as 9.2% in New York trading.