Berkshire Hathaway BRK.A / BRK.B reported adjusted fourth-quarter operating results that were in our range of expectations.

Berkshire Hathaway earnings soared in Q4. Warren Buffett shared his annual letter to shareholders as well. Berkshire stock is breaking out.

The S&P 500 Index ($SPX) (SPY) is up +0.10%, the Dow Jones Industrials Index ($DOWI) (DIA) is up +0.13%, and the Nasdaq 100 ...