美东时间周四，美股三大指数收盘涨跌不一，截至收盘，道指跌0.51%，纳指涨0.35%，标普500指数跌0.08%。 热门科技股涨跌不一，AMD涨超5%，苹果涨超3%，Meta跌超1%，英特尔跌超3%。 贵金属、工业金属与采矿、半导体设备与材料涨幅居前，赫克拉矿业涨超13%，泛美白银涨超7%，阿斯麦、科休半导体涨超3%。 市场对俄美会晤作出反应，原油延续昨日颓势、跌至两个多月以来低点，WTI原油跌至每桶64美元以下。 一场旨在结束已持续四年乌克兰战争的外交博弈正在加速上演，俄美元首会晤即将到来。 据央视报道，当地时间8月7日，俄罗斯总统助理乌沙科夫（Yuri Ushakov）对媒体说，根据美方提议，俄美原则上同意在近期举行两国元首会晤。乌沙科 夫说：举行本次会晤的地点基本上已经商定。 随后，俄罗斯总统普京表示，俄美双方都有意举行两国元首会晤，阿联酋是适合举行会晤的地点之一。当谈及是否会举行俄乌总统会晤时，普京说：我已 经多次表示总体上不反对，这一会晤是有可能的，但为此需要创造一定的条件。很遗憾，距离创造出那些条件还差得远。 周四据报道，美国总统特朗普表示，他愿意在俄罗斯总统普京尚未同意与乌克兰总统泽连斯基会谈的 ...

Market Performance - The three major US stock indices closed mixed, with the Dow Jones down 0.51%, the Nasdaq up 0.35%, and the S&P 500 down 0.08% [1] - Popular tech stocks showed varied performance, with Apple rising 3.18%, while Microsoft fell 0.78% and Meta Platforms dropped 1.32% [1] Sector Performance - Precious metals, industrial metals, mining, and semiconductor equipment and materials sectors saw significant gains, with Hecla Mining up over 13% and Pan American Silver up over 7% [1] - Weight loss drugs and cybersecurity concepts experienced notable declines, with Eli Lilly down over 14% and Zscaler down over 5% [1] Chinese Stocks - The Nasdaq Golden Dragon China Index rose 0.95%, with most popular Chinese stocks increasing, including Miniso up over 3% and Xpeng Motors and Li Auto up over 1% [1] - Bilibili saw a decline of over 1% [1]

Group 1 - The A-share cybersecurity sector experienced a volatile rebound, with notable stocks such as Digital Certification hitting a 20% daily limit increase [1] - Other companies that saw gains include Xiling Information, Haohan Depth, 360 Security Technology, Ruijie Networks, Huasheng Tiancai, and Feile Audio [1]