Any discussion about the greatest investors of all time would no doubt include mention of legendary Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B) CEO Warren Buffett. Since taking the helm back in 1965, his stock picks have yielded compounded annual gains of roughly 20% and have collectively soared a mind-boggling 3,787,464%. 

The so-called Oracle of Omaha has employed a number of different strategies over the years in order to produce Berkshire's unrivaled gains. Buffett's primary goal is to buy quality businesses at a fair price, though he occasionally employs a strategy known as "arbitrage" when the conditions are right.

In early 2022, Buffett saw one such opportunity and pounced, and it turns out it was a pretty prescient move. In doing so, he may have just booked more than $1 billion in profit in one fell swoop. Here's how Buffett did it.

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Source Fool.com