Here are the biggest takeaways from Warren Buffett's annual letter (BRK.B)

Warren Buffett, the chairman and CEO of Berkshire Hathaway, released his annual letter to shareholders on Saturday.
Buffett discussed items like his plans to repurchase the company's stock and how a new accounting rule impacts Berkshire Hathaway's bottom line.
The 88-year old investor made no explicit statements about plans for succession at the company.
Each year, Berkshire Hathaway investors and the broader investment community look to chairman and CEO Warren Buffett's annual letter for compan