Berkshire Hathaway shares jumped to a record high Monday after the conglomerate reported over the weekend that its fourth-quarter operating earnings surged more than 70% from a year earlier. Monitor these important chart levels.

In his 60th annual letter to shareholders released Saturday, the folksy Buffett bragged about footing a record $26.8 billion tax bill.

Warren Buffett didn’t tip his hand in his annual letter to investors on Saturday, but it’s become apparent that he’s waiting for a big-time downturn in stocks before deploying his vast and growing cash hoard,