Here's everything you need to know before Tuesday's opening bell:
President Trump blocked Broadcom from pursuing Qualcomm over national security concerns
U.S. Steel credited Trump's tariff for a raise in its full-year outlook.
Apple will acquire the "Netflix of magazines," Texture.
GE said its senior leaders won't receive bonuses for the first time in its 126-year history.
U.S. stock futures posted modest gains.
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