XM Satellite Radio Holdings Inc., the biggest U.S. satellite-radio service, said it might need to raise money to pay for a fourth satellite. Shares of the company, which never has turned a profit, dropped as much as 24%.
XM also said its second-quarter net loss widened to $161.9 million from $117.2 million. On a per-share basis, the loss was unchanged at $1.38 after XM increased the number of shares outstanding.
