The U.S. National Transportation Safety Board said it was leading a team of American investigators—including representatives from the U.S. Federal Aviation Administration and Boeing—to assist South Korea’s officials in their probe.

Key Takeaways U.S. equities were higher at midday, bouncing back from yesterday's selloff on optimism about growing demand for nuclear power and Tesla's recovery from its dip.The need for more and more electricity for artificial intelligence data centers drove up shares of Vistra,

Tesla stock dropped more than 6% to start a new year of trading after the company reported weaker-than-expected fourth-quarter deliveries.