RUBIO: IF THERE IS THREAT TO NATIONAL SECURITY, TRUMP IS OBLIGATED TO ADDRESS IT

道瓊斯指數5月21日（週四）開盤下跌214.82點，跌幅0.43%，報49794.53點； 標普500指數5月21日（週四）開盤下跌34.32點，跌幅0.46%，報7398.65點； 納斯達克綜合指數5月21日（週四）開盤下跌130.26點，跌幅0.50%，報26140.10點。

Nvidia forecast July-quarter revenue of $91 billion, above analysts’ $87 billion average estimate but below projections as high as $96 billion, disappointing investors accustomed to stronger beats. Shares fell about 3% in late trading. Competition in AI accelerators is increasing as rivals including Advanced Micro Devices, Broadcom and Alphabet expand their offerings. CEO Jensen Huang maintained that Nvidia can continue delivering unprecedented growth as AI demand remains strong. Wall Street expects Nvidia to generate more than one-third of global semiconductor industry revenue this year.