Earnings split the session at the close: Airbnb's raised revenue outlook lifted it 15.1% while Trade Desk lost nearly a quarter of its value. Travel, optics and AI names carried the session; ad tech and crypto miners absorbed the damage.

Palantir's 29% close pulled the entire AI complex with it, from Arm to the optical names supplying the data centers. Everything outside that trade got sold, with Bruker down 20% and Novo Nordisk sliding again.

Money left oil and autos for optics today: Applied Optoelectronics closed up 16.8% at $110.13, with Coherent right behind it, while Chevron, Diamondback and Ford all finished red. Four of the top five gainers sit in AI infrastructure or high-growth consumer names.

Amazon exploded 15% at the close as big tech earnings season hits its inflection point, but Apple tumbled 8% signaling investor caution on how the mega-cap rally will sustain.

AI infrastructure and optical networking stocks charged into the close, with Applied Optoelectronics and Coherent leading a 14.7% and 10.9% surge. AMC Entertainment fell 7.7% as retail favoritism faded.

AMC got hammered 22% at the close while semiconductors rolled over, but Axon Enterprise broke ranks with a 6% surge as enterprise software bucked the sell-off.

Super Micro Computer surged 15.83% at the bell while semiconductor darlings Arm and Palantir crashed, signaling a sharp rotation away from Big Tech consensus picks.

Arm surged nearly 12% in the closing stretch as chip stocks captured AI tailwinds, while fintech and telehealth stumbled with Hims & Hers down 7%.