What caused the sharp intraday swings in AI-related stocks like Micron Technology on Tuesday, and how does this reflect broader market concerns about the AI sector?

AI-related stocks swung sharply on Tuesday as companies selling computer chips, memory, and other AI infrastructure components reversed early gains into losses—Micron Technology, for example, went from a 4% jump to a 10% plunge before finishing down 1.4%, following a 9.9% surge the day before and a 13.3% drop two days earlier; this volatility reflects growing concern over whether AI stocks are undergoing a necessary 'shake-out' to remove excessive optimism or entering a longer downturn, especially as Micron’s stock has already tripled this year and drawn criticism for rising 'too far, too fast.'

How did falling oil prices affect Wall Street on Tuesday, and why was their positive impact muted despite broad stock gains?

Falling oil prices—Brent crude dropped 3% to $91.45—eased pressure on stocks by helping Treasury yields decline (the 10-year yield fell to 4.52% from 4.56%), yet their benefit was drowned out by the steep sell-off in AI stocks; although nearly three out of four S&P 500 stocks rose, the overall index swung sharply due to outsized volatility in AI-related names, illustrating how sector-specific turbulence can override macro-level tailwinds.

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