WATCH LIVE: Karoline Leavitt briefs the press as stock market worries mount

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White House press secretary Karoline Leavitt will deliver a press briefing at 1 p.m.

The S&P 500 closed last Friday down 3.1% for the week, its steepest decrease in six months, and was down an additional 2.7% when markets closed Monday evening. The NASDAQ and Dow Jones saw similar losses, falling 4% and 2%, respectively, on Monday.

President Donald Trump is expected to speak at a business roundtable Tuesday afternoon.

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