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NEW YORK, NY - FEBRUARY 05:  Traders work on the floor of the New York Stock Exchange (NYSE) on February 5, 2018 in New York City. Following Fridays's over 600 point drop, the Dow Jones Industrial Average briefly fell over 1500 points in afternoon trading.  (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - FEBRUARY 05:  Traders work on the floor of the New York Stock Exchange (NYSE) on February 5, 2018 in New York City. Following Fridays's over 600 point drop, the Dow Jones Industrial Average briefly fell over 1500 points in afternoon trading.  (Photo by Spencer Platt/Getty Images)

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    What happened on the Dow's worst single-day point fall

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What happened on the Dow's worst single-day point fall

Stocks went into free fall on Monday, and the Dow plunged almost 1,600 points -- easily the biggest point decline in history during a trading day. CNNMoney's Richard Quest explains what went wrong.

What happened on the Dow's worst single-day point fall

Stocks went into free fall on Monday, and the Dow plunged almost 1,600 points -- easily the biggest point decline in history during a trading day. CNNMoney's Richard Quest explains what went wrong.