A bull charges at a red cape held by a matador
A bull and matador in a bullring
  • Bank of America just turned even more bullish on the stock market heading into year-end.
  • The bank increased its S&P 500 price target to 4,600 from 4,300, or about 3% potential upside.
  • These are the five reasons why Bank of America is still upbeat on stock prices.

Bank of America is telling investors to "don't worry, be happy" as they turn even more bullish on the stock market.

The bank increased its year-end S&P 500 price target on Wednesday to 4,600 from 4,300, representing about 3% potential upside from current prices, and said that the index could go as high as 4,700.