Warren Buffett bought over 5 million UnitedHealth shares as it tanked. Now a $13 billion Medicare boost sent the stock soaring. Was he right?

Warren Buffett bought over 5 million UnitedHealth shares as it tanked. Now a $13 billion Medicare boost sent the stock soaring. Was he right?  MSN

Summary aggregated from MSN's public RSS feed. The full reporting belongs to MSN — please read it on their site.