Groupon Shares Slump After Revenue Forecast Misses Estimates

Groupon Inc. slumped the most since November after forecasting sales that missed estimates, underscoring the challenge facing Andrew Mason, whose board has already considered replacing him as chief executive officer.

The shares retreated 19 percent to $4.83 at 1:50 p.m. in New York, and earlier touched $4.24 for the biggest intraday decline since Nov. 9. Groupon said yesterday that first-quarter revenue will be $560 million to $610 million. Analysts on average had predicted $647.7 million, according to data compiled by Bloomberg.