Micron closed above $1,000 a share. The same day, Microsoft lost roughly $112 billion in market value. That wasn't a tech selloff — Applied Materials gained more than 5% while Oracle fell. Money didn't leave AI. It moved down the stack, out of the companies paying for the buildout and into the ones selling it. Memory has stopped being a product and become a cost line, and with the 30-year Treasury at the highest level of 2026, the squeeze is coming from both directions at once. Wednesday's Fed minutes — where three officials dissented for a rate hike — will decide how much worse it gets.

Microsoft posted its best day in nearly 18 years, igniting a global chip rally that drove South Korea's Kospi to a record 18% single-day gain. But Apple and Amazon split sharply after earnings, and the bond market isn't buying the rebound — with the 30-year yield near its highest since 2007. Here's what moved and what could reverse it.