AI Capex Boom Continues as Custom Silicon and Photonics Ramp

🔴 MACRO SNAPSHOT

• UNGA General Debate opens today in New York, with US-Iran diplomacy center stage — reports indicate Trump is floating both a large-scale air campaign and a first summit, and markets are leaning toward the summit read.
• Treasury Secretary Bessent threatened to bar refueling and ticket sales for Iranian airlines starting today, per overnight coverage — escalation rhetoric layered on top of the diplomacy trade.
• Fed speakers pushed back on easing hopes overnight: per reports, a Chicago Fed president warned rates may need to rise further and a Minneapolis Fed president called inflation broad-based. The follow-through question from last week's hike to 3.75%-4.00% stays open.
• The dollar index sits at 119.51 after its recent firming — the strongest stretch in roughly three months, per currency coverage.
• Today's calendar, per schedule coverage: ADP employment and API crude inventories.

🔄 SECTOR ROTATION

Winners: Communication Services XLC +3.56%, Technology XLK +2.77%, Consumer Discretionary XLY +1.08%, Health Care XLV +0.37%, Real Estate XLRE +0.14%, Industrials XLI +0.14%, Financials XLF +0.07% Losers: Materials XLB -0.56%, Consumer Staples XLP -1.06%, Utilities XLU -1.07%, Energy XLE -2.88%

A 6.4-point spread between the top and bottom sector. The AI complex is doing the lifting while energy bleeds on deflating supply premiums and staples/utilities give ground. Defensives lagged broadly while tech and comm services led — the spread itself is the signal.

📈 BONDS

• 2-year: 4.76% (+0.09); 10-year: 5.01% (+0.07)
• 10y-2y spread: 0.20 pp (-0.05) — the curve flattened as the front end led the move up
• Both ends of the curve are back above where they sat before the post-Fed easing, consistent with the hawkish speaker tone.

🛢️ COMMODITIES

• Gold $4,368.51/oz (-0.09%) — flat near records despite the firmer dollar
• Silver $66.64/oz (+0.48%)
• Crude: no level in the price block today. Per Bloomberg coverage, oil steadied after a four-day slide as Saudi loadings shifted back toward the Strait of Hormuz following a cross-country pipeline shutdown.

💎 CRYPTO

• Bitcoin $86,594.94 (+6.70%) — the biggest single-asset move on the board; per market coverage it pushed above $87,000 intraday for the first time since January 75
• Ethereum $2,775.58 (+4.95%)

📊 EARNINGS MOVERS

• Upcoming: COST Sept 24 (est $6.53), CCL Sept 29 (est $1.36)

🎯 NOTABLE SIGNALS

• NUAI jumped 30.6% on a 20-year, 200-207 MW power purchase agreement with Vistra for its Texas data center project — though quarterly losses are expected to widen 31
• HBAN lifted its 2027 buyback plan to $1.3-1.4B while cutting its loan-growth outlook to 6% from 8-9% — capital returned as growth slows 88
• BOSS Zhipin declared a $230M dividend, adding to $300M+ in YTD buybacks, after Q2 revenue accelerated 14.1% 3073
• JOBY completed a 3,199-mile fully autonomous flight across the US with zero pilot control inputs 90
• FLNC faces an investor investigation after a 15% drop tied to Houston facility issues and a $600M guidance cut 41

💡 MY TAKE

The setup is a barbell: AI infrastructure keeps compounding on one end (SMCI's $60B in Q4 orders and record backlog 100, Credo's 1.6T optics push 103, Micron's forecast 938% EPS growth 60), while the Fed's hiking cycle grinds on housing on the other — LGI Homes is now paying closing costs and up to $25,000 in Flex Cash to move inventory 78. Energy is the odd one out — XLE -2.88% again as the UNGA diplomacy trade deflates the supply premium, and if a summit materializes that pressure likely extends; a breakdown in talks is the snap-back risk. Crypto's 6.7% Bitcoin move alongside a firming dollar and 5% 10-year is worth watching — risk appetite is running hot with VIX at 14.81.

Sector	Lean	Rationale
Tech / AI infra	🟢	XLK +2.77%; record SMCI backlog and optics ramp [100](https://www.zacks.com/stock/news/2993148/can-smci-s-record-backlog-sustain-revenue-momentum-in-fy27?cid=CS-ZC-FT-analyst_blog
Comm Services	🟢	XLC +3.56%, best on the board
Energy	🔴	XLE -2.88%, diplomacy premium deflating
Homebuilders	🔴	Builders escalating incentives as the hiking cycle begins 78
Defense	🟢	GM-Lockheed PAC-3 partnership widens procurement base [110](https://www.zacks.com/stock/news/2993135/general-motors-boosts-defense-prospects-with-lockheed-partnership?cid=CS-ZC-FT-analyst_blog

Bottom Line: AI capex is the engine, the Fed is the drag, and UNGA is the wildcard. Watch whether the dollar and the front end of the curve keep firming — that's where the hiking-cycle follow-through shows up first.

Signal over noise.

👁️ NAMES TO WATCH TODAY

SMCI (Super Micro Computer) — FY26 revenue $39.1B (+78%), $60B Q4 orders, record backlog, FY27 guide $65-72B; watch whether the backlog conversion story holds 100. CRDO (Credo Technology) — 1.6T ZeroFlap optics launch targets $600M optical revenue by FY27; hyperscaler ramp execution is the tell 103. NVDA (NVIDIA) — Fifth straight beat, data center revenue +117%; the AI capex bellwether as interconnect demand builds 1632. GM (General Motors) — GM Defense supplying PAC-3 components, ~$700M 2026 defense revenue and a potential $1B ISV contract in play 110. LMT (Lockheed Martin) — PAC-3 partnership with GM Defense widens the missile-procurement thread it anchored yesterday 110. LGIH (LGI Homes) — National sales event with builder-paid closing costs and up to $25,000 Flex Cash; incentive escalation is the signal 78. COST (Costco) — Reports Sept 24, consensus EPS $6.53; the marquee consumer print as the hiking cycle begins 20. CIEN (Ciena) — Named in the AI interconnect outlook as coherent optics becomes the fastest-growing segment 32. MU (Micron) — Outperformed Monday with Q3 EPS forecast up 938% YoY; AI memory demand is the driver 6043.