Groupon shares have broken below their initial public offering price of $20 and may cast a pall over other technology debuts on the public markets.
Groupon shares were most recently trading today just above $17.
What's happened since Groupon's first day of trading on November 4?
For starters, Groupon has significant question marks as a business and competition from Amazon.com-backed Living Social will be tough. In addition, it's easier to borrow shares of Groupon to short them, reported Bloomberg. A short sale occurs when you borrow shares betting that they will fall. You sell shares back … Read more