 Shares of Conagra Brands Inc. CAG, -0.32 rallied 3.1 in premarket trading Thursday, after the foods company, which brands include Birds Eye, Health Choice, Slim Jim and Reddi-wip, reported fiscal first-quarter adjusted profit and revenue that beat expectations, as improved supply-chain productivity helped offset cost-of-goods cost inflation. For the quarter to Aug. 28, the company swung to a net loss of 77.5 million, or 16 cents a share, from net income of 235.4 million, or 49 cents a share, in the year-ago period. 