Stocks: 5 things to know before the bell

Click chart for in-depth premarket data.

1. Dollar flexes "merican muscle: The U.S. dollar hasn"t been this strong since early 2003.

The ICE Dollar Index -- which tracks the dollar"s value versus other major global currencies -- hit 101.37 Friday, up about 10% from early May.

Stocks: 5 things to know before the bell
Stocks: 5 things to know before the bell
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