Merck and Moderna announced Wednesday that a personalized mRNA-based cancer vaccine succeeded in a large, late-stage trial among high-risk patients with melanoma.
Shares in the financial technology company Block have soared more than 20% in after-hours trading after its CEO announced it was laying off more than 4,000 of its 10,000 some employees due to efficiency gains from artificial intelligence.
Tesla's annual profit plunged to its lowest level since the pandemic five years ago. Now, Elon Musk said Tesla would be closing down production of two car models and convert the Fremont, California, factory to produce its Optimus robots.
Gold futures traded in New York have soared almost 71% this year, on pace for their best annual gain in 46 years.
Kimberly-Clark is buying Tylenol maker Kenvue in a cash and stock deal worth about $48.7 billion, creating a massive consumer health goods company.
Wall Street keeps setting more records, and excitement about the artificial-intelligence industry keeps leading the way.