<h1>Markets react to US-Taiwan trade deal cutting tariffs to 15% for USD 250bn investment as oil and AI earnings sway stocks.</h1> Markets reacted to a US-Taiwan trade agreement cutting tariffs on Taiwanese goods to 15 per cent in exchange for USD 250 billion of new US tech-sector investment, prompting Taiwanese shares to rise and drawing protest from China. Energy prices rebounded after prior declines tied to comments about Iran that had eased supply-risk fears. Separately, AI-related stock performance and heightened scrutiny of earnings-focused on circular AI deals, input-cost pressures, and supply risks-helped determine regional equity moves.