美股盘前走低，科技股普跌，金银原油集体下挫，加密货币超8万人爆仓

Market Overview - U.S. stock index futures are all down ahead of the market opening, with the S&P 500 futures down 0.23%, Nasdaq 100 futures down 0.26%, and Dow futures down 0.10% [2] - Technology stocks are experiencing a pre-market decline, with AMD, Micron Technology, Google, and Intel each down approximately 1% [2] - Precious metals are seeing significant price drops, with silver falling about 5% and gold briefly dropping below $4900 per ounce [2] Commodity Performance - Crude oil futures are down, with WTI and ICE Brent crude both declining nearly 1%, while INE crude oil has dropped over 4% [3] - Gold and silver prices are also down, with COMEX gold down 1.42% and COMEX silver down 2.70% [4] Cryptocurrency Market - Major cryptocurrencies are experiencing declines, with Bitcoin down 1.32% and Ethereum down 0.75% [5] - The global market has seen approximately 85,000 liquidations [4] Geopolitical Context - Indirect negotiations between the U.S. and Iran have resumed in Geneva, coordinated by Oman, with significant disagreements remaining on core issues [5] - The ongoing geopolitical tensions are contributing to the upward trend in gold prices, according to analysts [5]