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More swings for AI stocks drag Wall Street back on the roller coaster

NEW YORK — More sudden reversals for high-flying artificial-intelligence stocks sent Wall Street reeling on Tuesday. The S&P 500 fell 0.3% after careening between an early gain of 1% and a midday loss of 2.3%, pulling further from its all-time high set a week ago. The Dow Jones Industrial Average was up 106 points, or 0.2%, with a little less than an hour remaining in trading, and the Nasdaq composite was 1% lower. Indexes swung lower after companies selling computer chips, memory and other building blocks of the AI boom broke from early gains to losses. Micron Technology went from ...

Cuba’s iconic antique cars sit idle as US energy blockade deepens fuel crisis

HAVANA — A worsening fuel crisis across Cuba is testing the island's famed "almendrones," the vintage American cars that serve as vital shared taxis and embody the island's ingenuity and endurance. These days, many of the iconic gas-guzzling antique cars sit idle, casualties of fuel shortages that have gripped Cuba since January and that Cuban officials blame on a U.S. energy blockade. Outside his modest concrete-block home on a dirt road in Las Minas, a town of about 2,000 people on the outskirts of Havana, Diriel Valdez is restoring a 1951 Chevrolet Deluxe. The burgundy body is ...

Xeratec appoints Brett Hillstrom CEO

HANCOCK — Xeratec announced Brett Hillstrom has been appointed Chief Executive Officer, effective immediately. Steve Hillstrom, founder and former CEO, will transition into the role of Chief Technology Officer and AI Officer, where he will lead Xeratec’s technology strategy and artificial ...

AMMP applications open

HOUGHTON — MTEC SmartZone announced applications are now officially open for the 2026 AMMP (Advanced Materials and Manufacturing) Accelerator Cohort. This intensive, three-month program is designed to help early-stage companies by providing the resources, mentorship, and commercialization ...