鲍威尔指出，目前尚不清楚德尔塔毒株的蔓延是否会对美国经济产生显著影响，不认为金融业会给经济带来风险。虽然美联储拥有强大的政策工具，但它能做的是有限的。相比之下，美国政府的财政政策更有力，也更有针对性。鲍威尔还谈到了央行数字货币，他表示，数字货币正变得越来越重要。
美国公布7月零售销售月率为-1.1%，低于市场预期值的-0.2％，前值为0.60％。分析指出，美国7月零售销售降幅大于预期，因供应短缺打压了汽车和其他商品的购买，但服务业支出可能令经济在第三季保持强劲增长。
据纽约时报，美国将建议在接种疫苗8个月后注射疫苗加强剂。白宫新闻秘书珍·普萨基指出，新冠疫情小组将于当地时间周三举行关于新冠疫苗加强针的简报，拜登也会就加新冠疫苗加强针进行讲话。
尽管美国零售销售数据不及预期，但受避险买盘推动，美元指数周二仍大幅反弹，重回93关口，最终收涨0.55%，报93.12。
今日盘面走势的预判是有难度的，因为市场完全可以走高，也完全可以走跌，面对这种情况，我们只能做好两手准备，一边预防美元指数突破上涨，一方面提防美元指数突然转向下跌，造成无谓损失。所以要看懂市场后再做布局，才能适应当前这种复杂多变的局势，才有可能做出正确交易
周二，金银整体呈现先涨后跌走势，欧盘前现货黄金一度站上1790美元/盎司，截至收盘，现货黄金收跌0.08%，报1785.6美元/盎司
在美元继续走强的大背景下，金价或迎来转折。技术面同样暗示新的变局，周二黄金收十字星，后市走势涨跌难以预料。日内出炉的美联储会议纪要可能偏向鹰派，对金价有一定的打击。建议保守者观望，激进者可尝试逢高做空。
油市方面，因美元走强、美国经济数据低迷引发了全球各地的增长恐慌，国际油价美盘初下跌，回吐日内所有涨幅。最终WTI原油收跌1.26%，报66.54美元/桶；布伦特原油收跌0.69%，报69.08美元/桶。油价已连跌4日，创下今年3月以来时间最长的连续下跌。
美国API原油库存显示油市需求仍然强劲，但疫情令油市多头退却，另外石油输出国组织(OPEC)及其盟友认为市场不需要更多原油，也支撑了油价。技术面来看，油价四连跌走势相当疲软，空头占据盘面主动，但有超卖风险，近期可能有修正行情，建议投资者谨慎做空。
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