Here's why fund managers have been betting on blue-chip stocks JPMorgan Chase (JPM - Get Report) , Microsoft (MSFT - Get Report) , Berkshire Hathaway (BRK.B - Get Report) , Chevron (CVX - Get Report) and UnitedHealth (UNH - Get Report) in a big way during the most recent quarter. 

This article was written by a staff member of TheStreet.