Tormere After-Market Digest
September 17, 2026
Prepared by Tormere Research:Communications (TR:C)
Top headlines

Generac Stock Surges After Amazon Data Center Deal

Generac secured a $2.4 billion contract to supply backup power generators for Amazon's data centers, and Amazon received the right to purchase $320 million worth of Generac stock. The move put shares on pace for their best single-session gain on record, from a base that had been the lowest since February 6 with short interest up nearly 30% in the most recent reporting period. Schaeffer's Investment Research

AI Server Stocks Rally as the Hardware Bid Broadens: Hewlett Packard Enterprise Jumps 9%, Super Micro Climbs 6%, Dell Rises 3%

No Super Micro announcement, filing, or analyst action landed that morning, framing the move as a hardware assembler rotation rather than a technology-sector move, as an earlier rally in memory and chip names broadened into server makers. The iShares U.S. Technology ETF gained 1.83% over the same stretch. 24/7 Wall St.

Oil prices fall as Saudi Arabia reportedly offers more crude via Hormuz after pipeline attack

Saudi Arabia is making additional cargoes available to Asian refiners through ship-to-ship transfers just outside Hormuz near Oman's Sohar port, and is looking to restore about half of the East-West pipeline's capacity within days. CNBC

US Jobless Claims Fall to 196,000 During Holiday Week

Initial claims fell 10,000 in the week ended Sep 12 from the prior week's 206,000. Continuing claims totaled 1.73 million, down 39,000 from a revised 1.769 million. The reference period included Labor Day, and the data can fluctuate around holidays. Bloomberg

US Housing Starts Fall in August as Multifamily Construction Drops Sharply

New residential construction declined unexpectedly in August to one of the weakest paces since the pandemic, reflecting a plunge in starts of multifamily units. Single-family starts rebounded while building permits fell. Bloomberg

Markets close
Close: Sep 17, 2026, 4:00 PM ET
Asset Close Chg %
S&P 500^GSPC 7,637.76 +85.95 +1.14%
Nasdaq Composite^IXIC 26,418.30 +439.87 +1.69%
Dow Jones^DJI 51,778.04 +316.14 +0.61%
CBOE Volatility IndexVIX 15.44 -2.27 -12.82%
Brent CrudeBZ=F · 2:30 PM ET settle $104.07 -$1.76 -1.66%
GoldGC=F · 1:30 PM ET settle $4,383.80 -$3.70 -0.08%
U.S. Treasury Yields
Prints through Sep 17, 2026
Chg and % measured vs the prior print, Sep 16, 2026
Tenor Close Chg %
1-MonthT-bill 3.97% +1bp +0.25%
3-MonthT-bill 4.12% -2bp -0.48%
6-MonthT-bill 4.20% -2bp -0.47%
1-YearT-note 4.40% -5bp -1.12%
2-YearT-note 4.67% -7bp -1.48%
5-YearT-note 4.78% -8bp -1.65%
10-YearT-note 4.94% -7bp -1.40%
30-YearT-bond 5.29% -6bp -1.12%
Sectors & breadth
Sector performance
Technology · XLK+2.25%
Cons. Disc. · XLY+1.10%
Utilities · XLU+0.90%
Energy · XLE+0.70%
Materials · XLB+0.69%
Health Care · XLV+0.62%
Today's leading S&P 500 movers
GNRC+18.34%
SMCI+9.50%
MRNA+8.55%
TMUS-5.57%
DVA-5.56%
PSKY-4.67%
Economic calendar
High
Medium
Low
A actual · F forecast · P previous
17
Thu
Today
USD8:30 AM
Initial jobless claims
A 196K · P 206K
USD8:30 AM
Housing starts & building permits (Aug)
A starts 1.275M SAAR, -2.6% m/m · permits 1.394M, -2.7%
USD8:30 AM
Philadelphia Fed manufacturing index (Sep)
A 37.8
18
Fri
USD9:15 AM
Industrial production & capacity utilization (Aug)
21
Mon
USD8:30 AM
Chicago Fed National Activity Index (Aug)
USD11:00 AM
NY Fed SCE Household Spending Survey
The forward look
TR:C thesis
The session reversed the post-FOMC repricing rather than extending it. The curve rallied 5 to 8bp from the 1-year out while the 1-month bill added 1bp, leaving the 2s10s spread unchanged at 27bp: a near-parallel shift down, not a change in the market's read on the policy path. The 10-year retraced to 4.94% after closing above 5% the prior day, and the proximate cause was the commodity complex rather than the Committee. Brent settled 1.66% lower at $104.07 as Saudi Arabia routed cargoes around the damaged East-West pipeline and signaled a partial restart within days, removing the supply premium that had been the dominant term-premium input all week. Equities took the lower inflation pass-through directly: the S&P 500 gained 1.14%, the Nasdaq Composite 1.69%, and the VIX fell 12.82% to 15.44, a volatility reset consistent with an event passing rather than a macro repricing. Leadership was narrow and duration-sensitive. Technology added 2.25% against a flat-to-negative tape in Financials and Comm. Services, and the day's largest single-name moves were idiosyncratic: Generac on the Amazon data center supply agreement, Super Micro on a rotation into hardware assemblers with no company-specific catalyst. The short side was the cleaner read on the new rate regime, with T-Mobile down 5.57% as a leveraged, rate-sensitive balance sheet. The macro data cut against the equity move on the margin. Jobless claims at 196,000 leave the labor market tight enough to sustain a second hike, while August housing starts at a 1.275 million annual rate and a 2.7% decline in permits are the first visible transmission of higher financing costs into a rate-sensitive sector. That divergence, a resilient labor market against a contracting housing pipeline, is the tension to carry into Friday's industrial production release and the balance of the quarter.
Tormere Research:Communications · Tormere Analytics
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