Global markets: 1. The US stock market closed down, with the Nasdaq down 0.62%, the Dow Jones Industrial Average down 0.54%, and the S&P down 0.61%. 2. Chinese concept stocks collectively surged, with the Nasdaq China Golden Dragon Index closing up 8.54% and the 3-fold long FTSE China ETF up nearly 24%. 3. Nvidia fell 2.55% as it was investigated by the Market Supervision Bureau on suspicion of violating anti-monopoly laws. 4. International oil prices have risen by over 1%, while international gold prices have risen by nearly 1%.