Earlier today, something seemed amiss. Berkshire Hathaway (BRK-A) was trading as a 5-digit price. Class B shares (BRK-B) seemed to be trading in its normal range (in the $400s). I figured Warren Buffett had finally decided to split the A shares.
Not so. Turns out there was some technical glitch on the New York Stock Exchange (NYSE) that affected the market for about 60 - 90 min.
More here–
https://www.barrons.com/articles/berkshire-hathaway-stock-halted-eab446ac