Warren Buffett bought only three stocks in the fourth quarter of 2023 for Berkshire Hathaway's portfolio. He sold seven stocks, including fully exiting four positions. Most of Buffett's transactions made sense. However, not all of them did. One of the legendary investor's decisions was downright baffling.Buffett's baffling decisionLet me address one thing right off the bat. Buffett's most baffling decision in Q4 had nothing to do with the trimming of Berkshire's huge stake in Apple. It's possible that Buffe ...