(AP)—Groupon, the No. 1 online deals service, says it had a small loss in the third quarter as higher revenue failed to make up for stock compensation and other expenses.

Groupon Inc. said Thursday that its net loss was $3 million, or a breakeven per share, in the July-September period. A year ago it lost $54.2 million, or 18 cents per share.

Revenue grew 32 percent to $569 million, below 's expectations of $591 million as surveyed by FactSet.

Groupon's stock is down 49 cents, or 12.5 percent, at $3.43 in after-hours trading following the announcement. Groupon went public last November at a of $20.