HK, regional stocks mixed amid AI, war and bond fears

Asian shares struggled on Tuesday as investors weighed Middle East tensions and calls by industry figures for a slowdown in AI development, while elevated oil prices and higher bond yields added to caution before ⁠key central bank meetings in the United States and Japan. In Hong Kong, the benchmark Hang Seng Index opened up 16 points, or 0.07 percent, at 24,934. The tech index rose 20 points, or 0.47 percent, to 4,338 while the China enterprises index edged up 18 points, or 0.23 percent, to 8,303. Up north, the benchmark Shanghai Composite Index opened down five points, or 0.14 percent, at 3,879. The Shenzhen Component Index was 22 points, or 0.17 percent, lower at 13,362 while the ChiNext Index was down four points, or 0.14 percent, at 3,280. Yemen's Iran-aligned Houthis launched a new attack on Saudi Arabia on Monday, after Riyadh blamed Iran-backed fighters in Iraq for an attack on the kingdom's east-west pipeline that it said could disrupt as much as four percent of global oil supplies. Gulf Arab states also postponed planned talks with Iran. Renewed supply concerns kept markets on edge, with US crude rising 1.27 percent to US$102.68 a barrel while Brent was up 1.21 percent…