Shares of industrial and transportation companies rose amid deal activity.
Rocketry firm Rocket Lab agreed to buy Iridium Communications for about $8 billion, a deal that would give it control over a satellite fleet and access to wireless resources it could use to compete with SpaceX.
Investors leapt back into bets on the artificial-intelligence boom.
Shares of specialty glass maker Corning, whose optic products are in high demand among data-center developers, rose by roughly 15% to record highs.
European jet maker Airbus will get a $3.42 billion loan from the European Investment Bank as European Union officials seek to build out the bloc's own technological capabilities to fend off mounting competition from the U.S. and China.
