Since 1964, Berkshire's compound annual growth rate has averaged 20.5% in market value and 18.7% in book value vs. 9.7% for the S&P 500 (including dividends). In 2018, Berkshire shares improved 2.8% in market value and 0.4% in book value, compared with a drop of 4.4% in the S&P 500. Buffett says that the firm's $4 billion earnings in 2018 are measured by generally accepted accounting principles (or GAAP), which he has criticized. Its operating earnings were close to $25 billion. Berkshire also had a $3.0 billion noncash loss tied to its stake in Kraft Heinz, a roughly $3 billion capital gain from its sales of investment securities, and a $20.6 billion loss related to a reduction in unrealized capital gains. "A new GAAP rule requires us to include that last item in earnings. As I emphasized in the 2017 annual report, neither Berkshire's Vice Chairman, Charlie Munger, nor I believe that rule to be sensible," Buffett explained. "Rather, both of us have consistently thought … this mark-to-market change would produce what I described as 'wild and capricious swings in our bottom line.'" Given its GAAP-affected financial results, Buffet suggests that investors focus their attention on operating earnings. Check out the gallery for more insights from the latest investor letter. --- Related on ThinkAdvisor:
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