Nasdaq's 10 most active stocks at 1 p.m.

Markets Associated Press

A look at Nasdaq 10 most-active stocks at 1 p.m.:

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Apple Inc. fell .4 percent to $125.56 with 22,101,500 shares traded.

Applied Materials Inc. rose 1.8 percent to $22.37 with 9,738,300 shares traded.

Catamaran Corp. was unchanged at $59.21 with 9,078,300 shares traded.

Cisco Systems Inc. rose .4 percent to $27.50 with 10,683,100 shares traded.

Facebook Inc. fell .3 percent to $82.04 with 10,837,800 shares traded.

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Micron Technology Inc. rose 1.3 percent to $27.23 with 14,134,100 shares traded.

Microsoft Corp. fell .6 percent to $41.27 with 12,344,600 shares traded.

Mylan Laboratories Inc. rose 12.9 percent to $67.24 with 30,833,100 shares traded.

Sirius XM Radio Inc. fell .6 percent to $3.88 with 13,858,500 shares traded.

Zynga Inc. rose 3.0 percent to $2.89 with 9,795,800 shares traded.