While some investors are likely to focus on the biggest-dollar moves made in the fourth quarter, such as the continued aggressive selling of No. 3 holding, Bank of America, the more telling action might be Berkshire's complete exit from the Vanguard S&P 500 ETF ( VOO 0.24%) and SPDR S&P 500 ETF Trust ( SPY 0.23%).

Investors are awaiting Berkshire Hathaway Chairman Warren Buffett’s annual investor letter, in which he typically expounds on Berkshire’s performance along with anecdotes and vignettes about investing and life.

Warren Buffett turned a $40 billion Apple investment into $150+ billion, marking his most profitable investment ever. Learn the key principles behind this success and how they apply to all investors,

Berkshire Hathaway (BRK.A 0.12%) (BRK.B 0.20%) recently gave investors an updated look at its widely followed stock portfolio as of the end of the fourth quarter, and some of the

Berkshire Hathaway (NYSE: BRK.A, BRK.B) added 5.6 million shares of Constellation Brands (NYSE: STZ), significantly increasing its stake in the liquor company. Consumer trends show younger generations shifting from beer to spirits,