Ahead of the Facebook IPO – due to launch within the next few days – the heat’s been kicked up a notch and appetite for social networks stock whetted on the news that Groupon’s share price rose 18.54% in the overnight hours. According to the press release, Groupon’s first quarter profits beat expectations, that news and an 89% surge in year-over-year revenues helped to send the share price soaring. To analysts, that is a clear signal that investors are clamoring for social network stocks. Read more