A look at Nasdaq 10 most-active stocks at the close of trading:

Cell Therapeutics Inc. rose 6.0 percent to $.32 with 41,758,900 shares traded.

Cisco Systems Inc. fell .6 percent to $17.85 with 44,023,200 shares traded.

Dell Inc. fell 2.0 percent to $14.97 with 18,719,400 shares traded.

Intel Corp. fell .1 percent to $20.84 with 39,038,200 shares traded.

Micron Technology Inc. rose 1.2 percent to $10.36 with 49,548,700 shares traded.

Microsoft Corp. was unchanged at $25.69 with 53,365,500 shares traded.

Nvidia Corporation rose .8 percent to $18.20 with 24,595,600 shares traded.

Sirius XM Radio Inc. fell 1.1 percent to $1.77 with 29,696,100 shares traded.

Star Scientific Inc. rose 18.0 percent to $3.48 with 23,208,900 shares traded.

Yahoo Inc. fell .6 percent to $17.31 with 21,389,400 shares traded.