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Investors catch their breath after Trump's fiery press conference

Wall Street’s longest winning streak in 25 years is hitting some resistance. All three major averages  (^GSPC, ^DJI, ^IXIC) started the day in the red as earnings season comes to a close and investors look for clarity on President Trump’s economic policy ahead of the President’s Day holiday.

Here are some of the other stories the Yahoo Finance team is covering for you today.

Trump’s bombastic press conference
President Trump heads to a Boeing (BA) plant in South Carolina today following an extraordinary press conference at which he attacked the media, announced a new Labor Secretary nominee and denied any improper ties to Russia. He also praised several American companies for creating jobs in the US. But does he really deserve the credit for the decisions these businesses are making?

Zuckerberg’s grand vision
Facebook (FB) CEO Mark Zuckerberg wrote a nearly 6,000-word post on his goal of making Facebook the backbone of a new “social infrastructure” addressing some of humanity’s biggest problems, including terrorism, disease and climate change. Is this a realistic or grandiose response to Trump and the rise of isolationism?

Free food at 35,000 feet
Delta Air Lines (DAL) will start serving free meals in coach on 12 coast-to-coast, domestic routes next month. It’s a revival of a perk major airlines had abandoned by 2010 after posting billions of dollars in losses. Is this—along with Warren Buffett’s investment in airlines—another sign of the industry’s resurgence?