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 2.4 percent to $112.20 with 30,876,700 shares traded.

Cisco Systems Inc. fell 1.0 percent to $27.23 with 12,470,400 shares traded.

Cubist Pharmaceuticals Inc. rose 35.5 percent to $100.73 with 18,020,700 shares traded.

dELIA*s Inc. rose 15.8 percent to $.02 with 16,198,900 shares traded.

DryShips Inc. fell 21.1 percent to $.90 with 32,027,600 shares traded.

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Facebook Inc. fell .3 percent to $76.10 with 14,191,800 shares traded.

Groupon Inc. fell 2.7 percent to $7.08 with 11,337,500 shares traded.

Intel Corp. fell 1.4 percent to $37.15 with 13,051,900 shares traded.

Prospect Energy Corp. fell 8.9 percent to $8.10 with 16,786,700 shares traded.

Sirius XM Radio Inc. fell .6 percent to $3.47 with 10,931,300 shares traded.