MTUM is trading at $297.49, down 1.98%, as tech shares weaken on AI-return concerns. - Alphabet fell about 10% after revenue disappointed, reviving concern that heavy AI investment may not deliver returns soon enough; Samsung weakened after chip profit missed expectations and shareholder-return plans disappointed investors. - Nasdaq futures fell about 1.3%, while Microsoft's strong cloud results offered some counterweight. - Upcoming U.S. GDP and income and spending releases could affect sentiment; results are not yet known.