Benzinga's After Hours Decliners (WLP, UNH, AZO)

Most of the after hours activity today can be traced to the release of a number of high profile 13-Fs, detailing the quarterly moves of some of the top money managers in the world. United Health UNH has fallen 3.22% in the after hours trading session, after Warren Buffett's Berkshire Hathaway disclosed that it had liquidated its stake in the company. The shares finished up the after hours session at $29.46. Shares of WellPoint WLP lost 3.46% in late trading to 3.46% after Berkshire's disclosure that they had sold out of that position as well. Volume has been very light, but shares of AutoZone AZO have been trimmed by 2.44% in the post-market trading session.