1. The US stock market fluctuated, with the Dow Jones down 0.30%, the S&P up 0.11%, and the Nasdaq up 0.56%; 2. Berkshire and other stocks experienced extreme declines of over 98%, with the New York Stock Exchange stating that all erroneous trades caused by technical issues were deemed invalid; 3. Nvidia rose nearly 5%, reaching a new historical closing high; 4. International oil prices have plummeted by over 3%.