Mark Lasseigne fills you in on a positive final day of an up-and-down week on Wall Street.


-Wall Street ends a week of volatile trading.
-The Dow Jones Industrial Average rose 126 points to 11,269.
-The market's moves this week were the wildest since late 2008 during the depths of the financial crisis.
-Wedbush, the largest provider of bids to buy and offers to sell shares on Nasdaq,  estimated high frequency computer trading firms have made up 75 percent of American equity volume in August.
-The Reuters/University of Michigan Consumer Sentiment Survey fell sharply in August, tumbling to the lowest level in 30 years.
-And, the Commerce Department said retail sales rose ½ % in July, slightly less than expected. 
-Crude oil closed at $85.38 a barrel.
-Gold settled at $1,743 an ounce.