深夜，黄金大跳水！

Group 1 - Gold prices experienced a significant drop, falling below $3820 per ounce after reaching a high of $3896 per ounce, marking a decline of about $80 within the day [1] - Silver prices also saw a decline, dropping over 2% to $46 per ounce after previously exceeding $48 per ounce [1] - The S&P 500 index opened at a record high but subsequently turned negative, reflecting a similar trend to gold prices [3] Group 2 - The Nasdaq index reached a new high of 22900.60 but faced volatility, with a trading volume of 4.91 billion shares [5] - The market sentiment was affected by the U.S. government shutdown, with President Trump considering significant federal employee layoffs, which could impact risk appetite [8] - Tesla's stock price fell nearly 3% despite reporting better-than-expected quarterly deliveries, indicating market concerns about the electric vehicle sector entering a downturn [8] Group 3 - WTI crude oil prices fell for the fourth consecutive day, dropping below $61 per barrel due to concerns over OPEC+ potentially increasing idle production capacity and a global supply surplus [11] - Market expectations indicate a 100% probability of a 25 basis point rate cut by the Federal Reserve by the end of the month, with an 80% chance of another cut in December [12] - Chinese stocks showed a positive trend, with the Chinese concept stock index rising approximately 1% [12]