The annual shareholder letter of "Stock God" Buffett has been released, and what essence is hidden in the "Investment Bible"? The annual shareholder letter of "Stock God" Buffett and his Berkshire Hathaway financial report have been freshly released. On February 24th local time, Berkshire released its latest financial report, which showed that thanks to the strong insurance business, Berkshire's operating profit for the fourth quarter of last year was $8.48 billion, a year-on-year increase of 28%, and the annual operating profit reached $37.35 billion.