Jared Mitovich

Space stocks are rocketing upwards. AST SpaceMobile and Virgin Galactic have each risen more than 9% in Friday's trading session, extending gains from Thursday driven by SpaceX's move toward an initial public offering.Shares of spacecraft maker Firefly Aerospace and satellite builder Rocket Lab h

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After a brief cool-off last week, U.S. semiconductor and memory stocks are rallying in Tuesday morning trading, led by Micron, which is nearing a $1 trillion market capitalization. It's on pace to surpass Walmart as the 11th largest U.S. company. The revival began Friday when shares of Qualcomm ros

Market analysts are digesting the renewed bout of fighting between the U.S. and Iran on Monday. Here are two takes on how sustained higher oil prices due to the war are trickling into inflation and economic growth:

Micron’s rise helped lift the S&P 500 and Nasdaq on Tuesday, and the semiconductor rally rolled on.

Long before Micron Technology was one of the hottest commodities in the artificial-intelligence trade, it received $1 million from a potato tycoon named J.R. Simplot. Simplot, who died in 2008, invested in Boise, Idaho-based Micron in the early 1980s while it was still a nascent company in the comp

With its dizzying rise yesterday, Micron became the 12th U.S. company worth $1 trillion, cementing the fastest run to a 13-figure valuation ever seen. The company reached the threshold only 48 days after it was first valued at $500 billion, according to Dow Jones Market Data. [Nvidia](https://www.ws

Surging demand for chip makers has lifted major indexes from their wartime malaise.

Even by the standards of the artificial-intelligence boom, the gains in chip stocks this year have been extraordinary. Sandisk has soared 570%. Intel has more than tripled. [Samsung](https://www.wsj/mar

Markets are buzzing about Micron's run-up to a $1 trillion market cap. Here are two takes on the chipmaker's sudden rise: