ETF Proxies Close Higher in Latest Session; AI Financing and Breadth in Focus
In the most recent completed session dated September 25, 2026, the four major US index ETF proxies all finished higher, led by the Dow proxy (DIA) at +0.94% and the S&P 500 proxy (SPY) at +0.54%. Small caps lagged, with the Russell 2000 proxy (IWM) up 0.11%. The available news packet is dated September 27-28 and therefore describes developments after that session, not reasons for it.
Key takeaways
- Session close (Sept 25): SPY +0.54% to 771.35, QQQ +0.46% to 744.50, DIA +0.94% to 517.49, IWM +0.11% to 281.97. These are exchange-traded fund proxies, not the indices themselves.
- Breadth within the tape was uneven: the large-cap proxies outpaced the small-cap proxy by a wide margin on a percentage basis.
- Movers lists were dominated by micro-cap and low-priced names, including warrants, where percentage swings can be large on modest dollar volume. No company-specific explanations for those moves are in the packet.
- Weekend and Monday-morning coverage centered on AI-related capital markets: a reported Nvidia buyback authorization, rising financing costs for data-center borrowers, and competing strategist views on market breadth and drawdown risk.
- Data quality is degraded for this brief: 180 tickers lacked a prior-session close and were excluded, and one newswire returned no eligible recent headlines. Treasury yields, sector detail and macro prints are not included in the supplied evidence.
Some inputs were unavailable for this brief.
- Polygon: 180 tickers without a prior-session close were excluded.
- RSS Yahoo Finance: no eligible recent headlines.
Markets
| Ticker and name | Change | Price |
|---|---|---|
| SPYS&P 500 ETF proxy | +0.54% | $771.35 |
| QQQNasdaq-100 ETF proxy | +0.46% | $744.50 |
| DIADow Jones ETF proxy | +0.94% | $517.49 |
| IWMRussell 2000 ETF proxy | +0.11% | $281.97 |
Indices shown via ETF proxies.
Nvidia reported to announce $150 billion share repurchase authorization
MarketWatch reported that Nvidia announced a $150 billion buyback, with repurchases intended through January 2028, described by the company as reflecting confidence in its long-term opportunity. The report is dated September 28, after the September 25 session covered by the price data above.
Higher bond yields raise the cost of the AI buildout
CNBC reported that a spike in Treasury yields is increasing borrowing costs for debt-funded data-center and AI infrastructure companies, even as construction activity continues. The packet does not include specific yield levels, so the magnitude of the move cannot be verified here.
Strategists split on breadth signals and near-term pullback odds
One MarketWatch piece highlighted a market-breadth metric it says has not appeared since the dot-com era, while a separate item cited RBC Capital Markets research finding a modest correction probable but many hallmarks of a major drawdown absent. Both are analyst interpretation rather than reported market events.
China industrial profits post weakest growth of the year
CNBC reported Chinese industrial profits grew 4.2% in August, the slowest pace so far this year, with economists quoted as expecting additional stimulus to support corporate profitability. The report was published September 28 and is not tied in the packet to any US market reaction.
Top movers
US session of 2026-09-25. Close-to-close change. Prices in USD.
Gainers
| Ticker and name | Change | Price |
|---|---|---|
| MSGYMSGY | +309.64% | $8.07 |
| GRMLWGRMLW | +114.27% | $1.05 |
| MGLDMGLD | +93.02% | $1.93 |
| INLFINLF | +72.88% | $5.10 |
| AIFFAIFF | +68.91% | $2.01 |
| TDICTDIC | +60.41% | $3.16 |
| USDEWUSDEW | +50.37% | $6.02 |
| APUSAPUS | +47.36% | $7.25 |
| ASGIrASGIr | +41.51% | $0.02 |
| WHLRWHLR | +39.04% | $5.20 |
Losers
| Ticker and name | Change | Price |
|---|---|---|
| AXGAXG | −84.62% | $0.20 |
| WYYWYY | −50.59% | $5.47 |
| PDYNWPDYNW | −45.45% | $0.00 |
| GWHGWH | −38.16% | $0.21 |
| CDTCDT | −33.88% | $0.08 |
| NXGLNXGL | −33.59% | $0.17 |
| TRUGTRUG | −29.92% | $0.28 |
| GCTKGCTK | −29.46% | $1.82 |
| PFSAPFSA | −28.05% | $2.18 |
| LGOLGO | −22.72% | $0.53 |
Sources
- ‘I’d rather be on a beach in Bali’: My husband resents my $8 million net worth. Should I pay for his retirement? · MarketWatch
- Taking Ozempic? A routine eye exam could help you understand your risk for vision loss. · MarketWatch
- SpaceX is moments away from monumental Starship launch · MarketWatch
- Micron could dethrone Nvidia and become the biggest driver of S&P 500 profit growth · MarketWatch
- The history of this market’s bad-breadth signal points to risks ahead · MarketWatch
- Nvidia makes a statement with historic $150 billion buyback announcement · MarketWatch
- ‘I want to make her proud’: My mother, a divorcée, died and I’m her executor. Do I need to file for probate? · MarketWatch
- A pullback is brewing, say these strategists who have examined every drawdown since 1956 · MarketWatch
- How Muse and other AI agents could spark a bank run, according to an economist · MarketWatch
- ‘We lived within our means’: I earned $30,000 as a pastor and still retired comfortably. Why don’t you tell people that? · MarketWatch
- China posts weakest industrial profit growth this year, expanding 4.2% in August · CNBC
- Taxpayer-funded Trump ads draw bipartisan scrutiny ahead of midterms · CNBC
- Anthropic CEO Amodei set to meet with Trump after missing state dinner · CNBC
- Iran's foreign minister says Tehran ready for 'doomsday' war with U.S., but leaves diplomacy on the table · CNBC
- Nor'easter delays hundreds of flights, airlines waive change fees · CNBC
- Debt-hungry AI companies face increased risk as bond yields spike · CNBC
- At NFL games this season, drone defense tech aims to bring down disruptions · CNBC
- Meta's Muse agent is attacking one of the economy's most profitable weak spots · CNBC
- Wall Street money takes back over from small investors as driving force of the stock market · CNBC
AIK MARKET UPDATE is for information only and is not financial advice. It is generated automatically and may contain errors.