The Dow Jones Industrial Average closed 423 points higher Thursday, one of the biggest gains of all time, as investors reacted to positive job numbers and economic reports. The gain comes in a roller coaster week that saw the Dow fall 634 points Monday, rise 429 on Tuesday and then drop 519 on Wednesday. Updated

Daily Finance:

The four days of trading this week have been the wildest for the market since the financial crisis during the fall of 2008. Each day has instantly taken a place in Wall Street history. The Dow’s losses on Monday and Wednesday were its sixth- and ninth-largest by points, and its gains on Tuesday and Thursday were the 10th- and 11th-largest.

The Standard & Poor’s 500 index has risen or fallen at least 4 percent each day. That has not happened on four consecutive days since November 2008, the depths of the crisis.

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