Check out the companies making headlines before the bell: Pfizer — The pharma giant issued disappointing 2026 earnings guidance. Pfizer a profit between $2.80 per share and $3 per share for the coming year. Analysts polled by LSEG expected earnings per share of $3.05 for 2026. The company also reaffirmed its 2025 outlook. Shares hovered around the flatline. Roku — The streaming platform rose more than 4% after Morgan Stanley double upgraded the stock to overweight from underweight. “Roku’s Platform revenue growth has accelerated in 2H25, suggesting that its scaled user base, plus solid execution on deepening streaming partnerships … position the company as a continued beneficiary of industry tailwinds.” Kraft Heinz — The company announced former Kellanova CEO Steve Cahillane will take the reins as chief executive in 2026, as Kraft Heinz preps to break up into two publicly traded entities. Shares were up slightly. Elanco Animal Health — The pet vaccine maker rose 4% after CEO Jeffrey Simmons and CFO Robert VanHimbergen disclosed purchases, according to regulatory filings. — CNBC’s Fred Imbert contributed reporting