Wednesday, 20 Aug 2008 | Source: The Associated Press
International Business Machines Corp. said Wednesday it will provide information technology services to health insurer Health Net Inc. under a five-year deal worth more than $300 million.
Aetna shares dropped 5 percent and Health Net tumbled 10 percent after a Goldman Sachs analyst slapped "sell" ratings on the two health insurers' stocks Thursday.
With stocks sharply lower today, shareholders need to protect their portfolios. So what are some of the best defensive stock picks? CNBC asked the experts.