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.:

Continue Reading Below

Apple Inc. rose .5 percent to $99.20 with 22,096,900 shares traded.

Arrowhead Research Corp. fell 50.6 percent to $6.18 with 38,542,400 shares traded.

Cisco Systems Inc. fell 1.6 percent to $24.25 with 19,484,100 shares traded.

Facebook Inc. fell .6 percent to $75.83 with 18,102,800 shares traded.

GT Advanced Technologies Inc. rose 21.5 percent to $1.47 with 118,703,700 shares traded.

Continue Reading Below

Intel Corp. rose .3 percent to $33.58 with 15,077,700 shares traded.

Micron Technology Inc. fell 1.9 percent to $31.26 with 16,263,000 shares traded.

Microsoft Corp. rose 1.2 percent to $46.09 with 11,382,200 shares traded.

Sirius XM Radio Inc. was unchanged at $3.36 with 21,275,400 shares traded.

Yahoo Inc. fell .6 percent to $40.68 with 14,303,800 shares traded.