The tug-of-war in the US-Iran war continues, with the US stock market collectively declining. The Dow Jones Industrial Average fell by 470.12 points, a decrease of 1.01%, closing at 45,959.37 points; the Nasdaq dropped by 521.74 points, a decline of 2.38%, closing at 21,408.08 points; the S&amp;P 500 index fell by 114.78 points, a decrease of 1.74%, closing at 6,477.12 points. The Nasdaq has now accumulated a decline of over 10% compared to its historical high on October 29, 2025.US President Donald Trump stated that he would extend the deadline for reopening the Strait of Hormuz to April 6 and mentioned that negotiations for an agreement between the US and Iran are progressing very smoothly. This is the second extension after Trump issued threats of an attack; he stated last Saturday that he only gave Iran 48 hours.However, The Wall Street Journal cited sources indicating that Iran did not &#34;request&#34; the US to postpone airstrikes on Iranian energy facilities by another 10 days and has not yet provided a final response to the US's proposed &#34;15-point plan&#34; to end hostilities. Additionally, the US Department of Defense is developing a military plan for a &#34;decisive strike&#34; against Iran, which may include the use of ground troops and large-scale bombing.Major tech stocks generally fell, with NVIDIA down 4.16%, Google-A down 3.44%, Microsoft down 1.37%, Amazon down 1.97%, TSMC down 6.22%, Broadcom down 2.95%, Tesla down 3.59%, and Meta down 7.96%; only Apple rose by 0.11%.Affected by the overall market and Google's TurboQuant AI compression algorithm, Micron has fallen for the sixth consecutive trading day, closing down 6.97%; SanDisk also fell 11.02%, Seagate down 8.33%, and Western Digital down 7.7%.In the Hong Kong stock market, the Hang Seng Index opened down 87 points, starting at 24,768 points. Kuaishou (1024) fell 1.32%; Meituan (3690) fell 0.63% after earnings; Tencent (700) fell 0.89%; Xiaomi (1810) fell 0.43%.BYD opened up 4.97% before earnings; CATL (3750) rose 4.06%.Haier Smart Home (6690) fell 3.51% after earnings, with group revenue of RMB 302.329 billion, a year-on-year increase of 5.7%; profit attributable to shareholders was RMB 19.553 billion, a year-on-year increase of 4.39%.SMIC (981) fell 1.98% after earnings.Regarding the direction of northbound capital, on Monday, net buying of Hong Kong stocks amounted to HKD 3.3 billion. The Tracker Fund of Hong Kong (2800), China National Offshore Oil Corporation (883), and Kuaishou (1024) received net purchases of HKD 1.376 billion, HKD 1.099 billion, and HKD 911 million, respectively; Alibaba (9988), SMIC (981), and China Mobile (941) faced net sales of HKD 998 million, HKD 523 million, and HKD 373 million, respectively

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The Hang Seng Index opened down 87 points, reporting at 24,768 points. U.S. stocks collectively fell, with the Dow Jones down 470.12 points, the Nasdaq down 521.74 points, and the S&P 500 down 114.78 points. Major tech stocks generally declined, with NVIDIA down 4.16% and Google-A down 3.44%. In the Hong Kong stock market, Kuaishou fell 1.32%, Meituan fell 0.63%, Tencent fell 0.89%, and Xiaomi fell 0.43%. BYD opened up 4.97% before earnings, and CATL rose 4.06%. SMIC fell 1.98% after earnings

- U.S. stock markets declined sharply, with the Dow falling 470.12 points to 45,959.37, the Nasdaq down 521.74 points to 21,408.08, and the S&P 500 dropping 114.78 points to 6,477.12.  
- President Trump extended the deadline for negotiations regarding the Strait of Hormuz until April 6, while the Pentagon is developing plans for a "decisive strike" against Iran.  
- Major tech stocks fell significantly, with Nvidia decreasing by 4.16% and Tesla by 3.59%, although Apple slightly rose by 0.11%.

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The Hang Seng Index opened down 87 points, SMIC fell 2% after earnings, and BYD rose by 5% | Hong Kong stock market opens