Akamai Technologies, Inc. (NASDAQ:AKAM) is up 13.97% in after hours trading at $39.25. AKAM shares are up this afternoon following fourth quarter results. Akamai posted revenue of $324 million, up 14% from the previous year. Profit came in at $0.45 a share, beating Wall Street estimates of $0.40 a share. The company has a market cap of 6.18 billion.

Covanta Holding Corporation (NYSE:CVA) is up 6.31% in after hours trading at $15.50. CVA shares are rallying in after hours trading thanks to good fourth quarter results. Covanta posted adjusted earnings of $0.26 a share, beating analyst estimates of $0.23 a share. Covanta forecasted adjusted 2012 earnings of $0.55-65 a share, beating estimates of $0.59 a share. The company has a market cap of 2.03 billion.

Visa Inc. (NYSE:V) is up 2.45% in after hours trading at $111.00. V shares are up this afternoon thanks to a 16% rise in first quarter profit. Revenue rose 14% to $2.55 a share. The company has a market cap of 74.52 billion.

Groupon, Inc. (NASDAQ:GRPN) is down 12.04% in after hours trading at $21.62. GRPN shares are getting hammered after reporting a fourth quarter loss. Groupon posted a net loss of $0.08 per share, Wall Street was expecting a profit of $0.03 per share. The company has a market cap of 15.68 billion.

TriQuint Semiconductor, Inc. (NASDAQ:TQNT) is down 7.75% in after hours trading at $6.31. TQNT shares are down following the company’s fourth quarter results. TriQuint beat estimates with EPS of $0.08 per share, but guidance came in below expectations. The company has a market cap of 1.14 billion.

Electronic Arts Inc. (NASDAQ:EA) is down 5.98% in after hours trading at $17.15. EA shares are falling this afternoon after the company’s CFO leaves for Polycom. Sources say EA’s CFO was not pushed out and that he left for Polycom to have a more operational role. The company has a market cap of 6.06 billion.