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Our top stories.

NVIDIA reported strong earnings and projected sales of $78 billion

for the current quarter, above analysts' estimates of about $72 billion.

The chipmaker's shares rose in after-hours trading.

For months, investors have worried about pouring too much money into artificial intelligence.

Jensen Huang, NVIDIA's boss, insisted that companies, quote, adoption of AI agents is skyrocketing.

Cuba said it shot and killed four people and injured six others on board a speedboat from Florida

after they entered Cuban waters and opened fire on its border troops.

A Cuban border commander was also wounded. Cuba said it was protecting its territorial waters in the face of, quote, current challenges.

In January, the Trump administration, in effect, blocked foreign oil shipments to the island.

Larry Summers said he would resign from Harvard University at the end of the academic year.

Mr. Summers, a professor and former Treasury Secretary,

had stepped back from his teaching role after embarrassing details of his relationship with

Jeffrey Epstein, a dead sex offender,

became known, including that he had sought Epstein's advice on pursuing a relationship with a junior

colleague. Friedrich Mertz, Germany's Chancellor, referenced, quote, challenges in his country's relationship with China after meeting

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