NEW YORK (AP) — A look at Nasdaq 10 most-active stocks at 1 p.m.:

Apple Inc. rose 2.8 percent to $553.06 with 20,557,400 shares traded.

Cisco Systems Inc. rose .8 percent to $16.97 with 21,466,100 shares traded.

Dell Inc. rose .5 percent to $9.50 with 13,842,100 shares traded.

Facebook Inc. fell .3 percent to $19.93 with 17,326,700 shares traded.

Groupon Inc. fell 28.1 percent to $2.82 with 64,783,700 shares traded.

Intel Corp. rose 1.3 percent to $21.10 with 15,314,500 shares traded.

Microsoft Corp. rose .6 percent to $28.99 with 23,305,400 shares traded.

Research in Motion Ltd. rose 5.0 percent to $8.61 with 12,412,700 shares traded.

Sirius XM Radio Inc. rose 3.6 percent to $2.77 with 41,689,400 shares traded.

Yahoo Inc. rose .8 percent to $17.38 with 15,170,900 shares traded.