【美股盘前】芯片股普跌，英伟达跌逾1%；亚马逊近千种商品价格平均飙升30%；美国三个月期国债拍卖；DHL恢复向美国个人发送800美元以上包裹

Group 1 - Dow futures fell by 0.06%, S&P 500 futures dropped by 0.17%, and Nasdaq futures decreased by 0.17% [1] - Chip stocks experienced a decline, with Nvidia down 1.25%, Intel down 0.4%, and AMD down 0.63% [1] - Toyota is reportedly proposing a $42 billion acquisition of Toyota Industries Corporation, which is the origin company of the Toyota Group [1] - DHL has resumed sending packages over $800 to individuals in the U.S. after constructive dialogue with U.S. authorities [1] - Merck has agreed to acquire SpringWorks Therapeutics for $3.9 billion to enhance its oncology drug portfolio [1] Group 2 - Bernstein upgraded Boeing's stock rating to "outperform" and raised the target price from $181 to $218, anticipating a 26% revenue growth for the year [2] - Nike is facing a lawsuit from NFT buyers after abruptly shutting down its NFT business, which was acquired in December 2021 [2] - Airbus signed a $439 million asset acquisition agreement with Spirit AeroSystems, taking over specific commercial aircraft assets in the U.S., France, Morocco, and Northern Ireland [2] Group 3 - Amazon has seen an average price increase of 30% on nearly a thousand products since the second week of April, affecting various categories including electronics and apparel [3]