美俄会谈在即，原油黄金盘中跌超1%，美股期货欧股走高，比特币创一个月新高

Group 1 - The upcoming meeting between Russian President Putin and US President Trump on August 15 in Alaska is expected to influence market sentiment positively, leading to a decline in oil and gold prices [1][6]. - The S&P 500 futures rose by over 0.1%, indicating a slight increase in US stock market expectations [1][7]. - European stock markets opened higher, with the Euro Stoxx 50 index up by 0.27%, and other major indices also showing positive movement [1]. Group 2 - The Vietnamese stock index increased by over 1%, surpassing the 1600-point mark, reaching a new historical high [2]. - The US dollar index fell by more than 0.1%, while the Japanese yen and euro saw slight increases [2]. - Bitcoin surged past $122,000, marking a near one-month high, driven by institutional and corporate investments [4][6]. Group 3 - US Treasury yields declined across the board, with the benchmark 10-year Treasury yield dropping by more than 1 basis point [3]. - Crude oil prices fell by over 1.1% to below $63.20, while Brent crude dropped by over 0.9% to below $66 [5][13]. - Spot gold prices fell below $3360 per ounce, with a daily decline of over 1%, reflecting a shift in investor sentiment [6].