Applied Materials Inc (AMAT) — Quality & forensics

Long reads

• AI Bull Market — The 2026 Verification PhaseReport · 20 Mar 2026The canary calendar (TSMC, ASE/Amkor, Advantest, Microsoft, AMAT, Micron) has fully printed; Micron in particular resolved far above the January frame — see the June follow-up .

Dailies

• Storage — Seagate −9.2%, Western Digital −6.9% on a record day for the S&P 500 and the NasdaqMorning 10 · 7 Oct 2026Chip-equipment makers fall again — KLA −4.5%, Lam Research −3.4%, Applied Materials −2.2%
• S&P 500 — record high as Marvell jumps 7.6% on its investor day; chip-machine makers slideMidday 10 · 6 Oct 2026The makers of chip-production machines fall: KLA −4.3%, Lam Research −3.1%, Applied Materials −1.9%.
• Brazil — stocks jump 13% after Bolsonaro leads round one; US 10-year hits 5.35%, stocks rise anywayMidday 10 · 5 Oct 2026
• Memory — Samsung and SK Hynix drop 4% as Seoul reopens, storage follows; Nasdaq futures slipMorning 10 · 28 Sept 2026Seagate rose 6.76% last week, Lam 9.41% and Applied Materials 9.09% - watch which side of that line they fall on.
• Asian Chips — Korea’s chip exports more than tripled and the Kospi touched 7,000, with Tokyo shutMorning 10 · 21 Sept 2026The equipment three rose hard on Friday and still lost the week: Applied Materials $444.57, +6.5% on the day and −2.6% over five sessions; Lam Research $288.11, +7.0% and −3.4%; KLA $176.99, +4.7% and −2.0%.
• Expiry Friday — the equipment names join at last: Applied +4.4%, Lam +5.2%, memory ETF over $58, 10-year back at 5%Midday 10 · 18 Sept 2026Applied Materials +4.4% to $435.73, Lam Research +5.2% to $283.41, KLA +2.7% to $173.56 — the equipment three that only stopped falling on Thursday are leading the semiconductor ETF +1.1% to $524.57 at midday, above the $505 and $517.43…
• Yen — the Bank of Japan hikes and the dollar holds 157: the carry trade pays, the lines held, chips +3.4% over $505Morning 10 · 18 Sept 2026Inside chips the sort paused rather than closed: AMD +6.4%, Arm +8.6%, Micron +5.5%, Intel +7.7%, TSMC +3.0%, Nvidia +2.5% on the design side; Applied Materials +0.5%, Lam flat, KLA +1.0% on the equipment side.
• Rates — the Fed hikes and the 10-year closes above 5%: the belly sold, the relief unwound, chips back under $505Morning 10 · 17 Sept 2026Inside chips the day was not one story: optics and interconnect were bought hard — Lumentum +9.6%, Credo +7.4%, Coherent +6.9%, Astera Labs +6.6%, Soitec +13.4% in Paris — and the equipment names were sold again, Applied Materials −1.4%…