Warren Buffett's annual shareholder letter will be released Saturday when Berkshire Hathaway reports earnings. Here's what analysts are looking for. (BRK.B)

Warren Buffett's annual letter to shareholders is set to be released on Saturday, February 22. 
Berkshire Hathaway, the company Buffett runs, will also report its fourth quarter 2019 earnings the same day. 
Here's what analysts will be looking for in the company's earnings release and Buffett's letter. 
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It's a moment investors have been waiting for. On Saturday, famed value investor