Defense airframes bid up as the AI-silicon trade cracked — Kratos +6.4% on a Wedbush initiation, AeroVironment +4.5% — while the rare-earth-magnet chokepoint sold off, USA Rare Earth −7.4% the laggard.

Kratos (KTOS) led the drone basket on Wednesday, up 6.4% to $53.04, after Wedbush initiated coverage with an Outperform rating and an $85 target, framing the company as the "merchant arms supplier" to the entire US defense complex. That thesis sits squarely on two of this vertical's chokepoints at once — airframes/primes (its jet-powered tactical drones and target systems) and interceptors/effectors (solid rocket motors and the propulsion that Anduril, Raytheon, and the primes increasingly buy rather than build). On a session when the Nasdaq-100 fell 1.5% under a chip-led rout, capital rotated out of the overstretched AI-silicon trade and into defense hardware with hard backlog behind it, and Kratos was the cleanest expression of that move.

USA Rare Earth (USAR) was the laggard, down 7.4% to $19.98, and it did not fall alone — American Resources/ReElement (AREC) matched it at −7.4% to $1.99 and MP Materials (MP) shed 3.1% to $54.28. This is the rare-earth-magnet chokepoint repricing, not a company story: NdFeB permanent magnets are the motor and actuator gate every drone must pass through, and the domestic-mine-to-magnet names carry a scarcity premium that lives or dies on Chinese supply. Late June brought two blows — Beijing added both MP and USA Rare Earth to its export-control list, and reports of a prospective US–China rare-earth agreement raised the prospect of Chinese material flowing back into the market, which would compress exactly the premium these names trade on.

The rest of the tape split along the same fault line. AeroVironment (AVAV) added 4.5% to $172.44, extending the surge that followed its record fiscal Q4 (revenue up 133% to $641.6M, backlog +65% to $1.2B after the BlueHalo integration) — airframes and interceptors led again. Unusual Machines (UMAC) rose 4.1% to $23.22 on the NDAA-compliant-supply theme, and Lynas (LYSCF) gained 2.5% as the ex-China rare-earth alternative. The soft spots were the silicon- and battery-bound chokepoints that track the semi complex: Ambarella (AMBA) cooled to +3.0% at $88.34 after the prior session's edge-AI spike, Lattice (LSCC) fell 4.4%, NVIDIA (NVDA) slipped 1.3%, and the energy names lagged with EnerSys (ENS) −5.7% and Enovix (ENVX) −3.6%.

The calendar ahead is policy-heavy. The FAA's Part 108 BVLOS final rule remains overdue against the spring executive order and is the single largest demand unlock for the commercial fleet. On magnets, watch the expiry of China's one-year suspension of its October 2025 rare-earth export controls and MP Materials' Q2 2026 earnings. RTX reports Q2 on the interceptor node, the House floor vote on the FY27 NDAA (H.R. 8800) frames the domestic-content mandates, and the sector convenes at the Commercial UAV Expo (Las Vegas, Sept 1–3) and AUSA (Washington, Oct 12–14).