Artificial-intelligence stocks are yo-yoing Wednesday, as the former superstars of Wall Street continue to face scrutiny for their success, and they're dragging the U.S. market with them. The S&P 500 sank 0.

Asian shares have mostly retreated and oil prices are higher after the U.S. launched fresh airstrikes against Iran, raising questions again over prospects for a permanent end to the war

Asian shares are mixed, with tech shares leading gains after Wall Street recovered some of its sell-off from last week

The technology sell-off on Wall Street dragged into another day and oil prices rose after the U.S. military launched attacks against Iran.

More sudden reversals for high-flying artificial-intelligence stocks sent Wall Street reeling on Tuesday. The S&P 500 fell 0.3% after careening between an early gain of 1% and a midday loss of 2.3%, pulling further from its all-time high set a week ago.

HIM and MATT OTT The technology sell-off has carried over into Wednesday and oil prices rose 2% after the U.S. military launched attacks against Iran. Futures for the S&P 500 declined 1.1% before the opening bell,

Asian shares have mostly retreated and oil prices rose and then fell back after the U.S. launched fresh airstrikes against Iran, raising questions again over prospects for a permanent end to the

Markets in Asia are hit by a tech sell-off, and oil is volatile as Iran and Israel launch attacks on each other.