Dow futures slipped early Tuesday as UnitedHealth fell on news of a proposed Medicare Advantage rate update. Meanwhile, S&P 500 and Nasdaq futures climbed, with investors gearing up for a packed earnings slate and the start of the Federal Reserve meeting. By 5:22 a.m. ET, Dow E-minis were down 40 points, or 0.08%. S&P 500 E-minis gained 17.25 points, or 0.25%, and Nasdaq 100 E-minis jumped 140 points, or 0.54%. UnitedHealth, set to report earnings before the open, dropped 8.6%. Salesforce rose 2.2% after securing a $5.6 billion contract with the U.S. Army. Traders also kept an eye on consumer confidence figures and the looming January 30 U.S. funding deadline.