XM Slips Despite Solid Numbers

XM Satellite Radio (XMSR Quote) hit its quarterly targets Thursday, but its shares slipped 6% as growth-hungry investors weren't satisfied.

The Washington, D.C., pay-radio shop added 321,675 net new subscribers in the first-quarter ended in March. That figure is in line with the upward revisions XM made to its guidance last month.

Shares of the radio broadcaster fell $1.68 to $24.12 in early trading Thursday. Satellite rival Sirius (SIRI Quote) was down a nickel to $3.37 in early action. ...