* 香港恒生科技指数.HSTECH周三早盘急泻2.6%，投资者关注中美经贸和科技领域的最新动态。
* Nvidia(辉达/英伟达)NVDA.O周二表示，在美国政府表示该公司需要获得许可才能向中国出口H20人工智能芯片后，公司将计提55亿美元费用，该芯片一直是Nvidia最受欢迎的芯片之一。
中国互联网龙头公司是英伟达芯片的重要购买者。
* 针对美国将由5月2日起取消香港寄往美国货品的小额免税安排并调高付运美国而内载货品的邮件需缴纳的关税，香港政府周三表示，香港邮政绝不会代收所谓关税，并会暂停接收寄往美国而内载货品的邮件。
* 白宫发言人莱维特(Karoline Leavitt)周二表示，美国总统特朗普对与中国达成贸易协议持开放态度，但北京应首先采取行动。（完）
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(发稿 刘珞焱；审校 张喜良)
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