US mini-camera maker GoPro, which gained notoriety and a devoted following of extreme sports enthusiasts, on Thursday ended the stock market trading day below its debut price.
The stock market debut of Coupons.com brought out bargain-seekers on Friday, shooting the online discount firm up a stunning 87 percent.
Twitter got a reality check Wednesday as the high-flying messaging company reported modest user growth during a quarter in which it lost $511 million.
Twitter's stock price continued a recent decline on Wednesday, closing down 3.5 percent after an analyst lowered the short messaging service's rating on concerns that its stock price is too high.
Twitter shares tumbled Friday after a brokerage analyst warned the popular messaging network was overvalued following a meteoric rise since its initial public offering in November.
Shares of Twitter went on sale to the public for the first time Thursday, instantly leaping more than 70 percent above their offering price in a dazzling debut that exceeded even Wall Street's lofty hopes.
Twitter debuted on Wall Street with a bang Thursday as shares in the fast-growing social network soared amid investor frenzy over the most-anticipated listing since Facebook.
As Twitter embarks upon an initial public offering that is projected to raise some $1.7 billion for the social media company, it walks past a veritable graveyard of dead IPO companies.
Twitter was on the verge of revealing the price of its stock offering Wednesday, giving the popular messaging platform a value of around $15 billion, media reports said.
Twitter boosted its public stock offering to as much as $2 billion Monday, suggesting strong demand for its shares and a higher overall value for the one-to-many messaging platform.