Why memory chip stocks are rallying again: Micron and Sandisk surge as AI optimism returns

Memory chip stocks are rallying big after a week of poor performances.  Companies including Micron Technology (Nasdaq: MU) and Samsung Electronics Co. (KSE: 005930.KS) saw their shares rise on Thursday, July 30, and into premarket trading Friday, July 31.  South Korea’s Kospi (Korea Composite Stock Price Index) recover

The firm forecast operating income of ¥3.16 trillion for its fiscal half-year, which translates into a weaker-than-anticipated ¥1.89 trillion projection for the current quarter

It comes after a three-day rout that wiped hundreds of billions of dollars off the value of the country's stock market.

Strong earnings from Lam Research, Microsoft and Arm boosted hard-hit semiconductor stocks.

Microsoft is spending heavily on AI but is also taking a “responsible” approach to its financials, an analyst said.

Chip stocks around the world sold off sharply, the latest chapter in the months long jitters surrounding artificial intelligence, memory and chip stocks.

Nasdaq futures drop on AI chip worries ahead of pivotal earnings  Reuters