U.S. stock-index futures pointed higher on Monday, buoyed by renewed demand for the market’s largest technology companies. Premarket quotations showed all members of the so-called Magnificent Seven in positive territory, with Amazon up 1.8%, Nvidia 1.2%, Meta Platforms 1.1%, Tesla 1.0%, Alphabet 0.8%, Microsoft 0.8% and Apple 0.8%. Outside the technology cohort, Berkshire Hathaway’s Class B shares slipped 0.6% ahead of the opening bell.