【 Top 20 US Stock Turnover: Berkshire A-shares plummeted nearly 100% at one point, but ultra-low price trading was ruled invalid 】 The 6th ranked Berkshire Hathaway A-shares closed 0.59% higher, with a transaction volume of $6.182 billion. An email shows that the New York Stock Exchange and other UTP exchanges have jointly decided to revoke all erroneous trading of Buffett's Berkshire Hathaway Class A shares between 9:50 am and 9:51 am Eastern Time (9:50 pm Beijing Time) and priced below or equal to $603718.30 per share due to CTA SIP pricing issues. On Monday morning Eastern Time, Berkshire Hathaway's A-share market experienced a sudden change, with the stock price plummeting from $620000 per share to $185.1 per share, a staggering 99.97% drop, and approximately 50 shares were traded at this price point.