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.
Elon Musk's space exploration company has filed preliminary paperwork to sell shares to the public, according to two sources familiar with the filing.
The Dow Jones Industrial Average on Thursday closed down 785 points as the war with Iran escalated and oil prices continued to climb.
The Dow Jones Industrial Average closed down more than 400 points on Tuesday as the U.S.-Israeli war with Iran prompted a selloff.
Oil prices leaped Monday on worries that war with Iran could clog the global flow of crude and make inflation even worse. U.S. stocks, meanwhile, swung from sharp losses to a tiny gain.
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.