Recent tech IPOs
The popular short message network Twitter debuted on the NYSE on Thursday at $US26 a share. The stock surged 74 per cent to $US44.90, giving the company a market capitalisation of $US24 billion.
The social media group had a rocky debut after it went public at $US38 a share in May 2012. The shares fell more than half in the ensuing months, but this year recovered and the company is now valued at $US115 billion.
The social network for professionals and job-hunters has been one of the biggest tech sector stars since turning to Wall Street in 2011. LinkedIn has seen a spectacular gain in its share price, from $US45 on the first day of trading to $US211.47 on Thursday, for a market cap of $US25 billion.
The online deals group listed on the Nasdaq exchange in November 2011 at $US20 a share. The shares closed at $US9.50 on Thursday, for a market cap of $US6.3 billion.
The restaurant and business review website's shares have soared since it went public in March 2012 with a $US15 IPO price. They closed at $US61.83 on Thursday, for market cap of $US4.1 billion.
Internet radio group Pandora Media made its Wall Street debut in June 2011, at $US16 a share. Pandora traded below its offer price but has regained ground to $US26.28, for a market cap of $US4.6 billion.
The online gamemaker was valued at $US7 billion when it debuted in December 2011 at $US10. Zynga closed at $US3.46 on Thursday, a market cap of $US2.78 billion.