Check out the companies making the biggest moves midday: Drug stocks — Shares of drugmakers rallied a second day as investors bet the industry will strike more deals with the Trump administration. On Tuesday, Pfizer received a three-year exemption to tariffs in exchange for investing in domestic manufacturing and discounting drug prices for Medicaid patients. Pfizer , Merck , Eli Lilly and Amgen all advanced about 6%. Conagra — The maker of Duncan Hines cake mixes rose 4% after fiscal first-quarter revenue; adjusted earnings before interest, taxes, depreciation and amortization, or EBITDA; and earnings per share all topped Wall Street consensus estimates, according to numbers compiled by FactSet. Corteva — The agricultural technology company slumped 7% after setting plans to split into two

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