European shares slip as tech selloff bites, Zalando slides

European markets retreated from record highs Friday, with tech stocks mirroring global weakness. Zalando shares plunged after a German probe into its accounts, impacting the retail sector. Investors grappled with AI’s uncertain impact on tech, while chipmakers saw declines. Despite the dip, the STOXX 600 managed modest weekly gains, buoyed by easing oil concerns and…

Gold slips as Fed rate-hike expectations buoy dollar

Gold prices dipped on Wednesday, reaching their lowest point since June 11, as a stronger dollar, fueled by anticipated U.S. interest rate hikes, made the precious metal pricier for international buyers. Investors are also weighing mixed signals from U.S.-Iran peace talks, adding to market uncertainty. Meanwhile, Dubai’s commodities exchange is set to launch a new…

Behind every AI answer are humans: how human feedback is shaping modern AI

DataAnnotation Tech highlights the human side of artificial intelligence development, where reviewers help train and improve AI systems through feedback and evaluation. In medicine-focused projects, human experts assess AI-generated medical responses for accuracy, clarity, and safety. The process demonstrates how human oversight remains essential in building reliable, trustworthy, and responsible healthcare AI systems.