Volume Spike Investor

Life Technologies Corp. (Nasdaq: LIFE) stock rose 6 percent to $45.52 as one of the most active Nasdaq issues after hours, and should be watched for a volume spike today. The company reported earnings of 79 cents a share, 13 cents better than analyst expectations. Revenue rose 2 percent to $839 million, above analyst expectations of $803 million. — Mike Tarsala