S&P 500 up 1.14% — Market Pulse · Sep 17, 2026

U.S. stocks rebounded on Sept. 17 after a soft prior session. The S&P 500 rose 1.14% to 7637.76, the Nasdaq Composite gained 1.69% to 26418.3, the Dow added 0.61% to 51778.04, and the Russell 2000 climbed 0.55% to 2874.63.

Key Takeaways

• S&P 500 closed up 1.14% at 7,637.76.
• Market breadth finished with 292 advancers, 208 decliners, and a 1.404 advance/decline ratio.
• Technology led sectors at +2.25%, while Communication Services lagged at -0.58%.
• VIX ended at 15.44 in the latest five-session lookback.
• SPY’s first resistance is 760.56 and first support is 748.61.

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Market Breadth: Tech-led rebound lifts indexes, but participation stays thin beneath the surface

Metric	Sep 11	Sep 14	Sep 15	Sep 16	Sep 17
Advance/Decline Ratio	2.105	1.292	0.472	0.465	1.404
Advances	341	283	161	159	292
Declines	162	219	341	342	208
Advancing Volume	66.5%	45.7%	34.6%	36.2%	67.8%
Stocks Near 52-Week Highs	5	6	17	5	9
Stocks Near 52-Week Lows	14	7	20	22	16
% Above 20-Day MA	25.3%	26.4%	24.1%	19.3%	21.7%
% Above 50-Day MA	39.2%	38.6%	35.4%	32.2%	31.4%
% Above 200-Day MA	59.2%	59.1%	56.5%	53.3%	53.3%

Market internals improved from Sept. 16, with 292 advancers versus 208 decliners and an advance-decline ratio of 1.404. Advancing volume reached 67.79%, a clear step up from 36.17% the day before. Still, participation remained thin by short-term measures. Only 21.67% of stocks finished above their 20-day moving averages, 31.41% were above their 50-day averages, and 53.28% held above their 200-day averages.

Explore the full dashboard: Market breadth.

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Market Performance: Major Indexes

Index	Close	Change	% Change
S&P 500	7,637.76	85.95	+1.14%
Dow Jones Industrial Average	51,778.04	316.14	+0.61%
Nasdaq Composite	26,418.30	439.87	+1.69%
Russell 2000	2,874.63	15.82	+0.55%

Five-session context:

Index	Sep 11	Sep 14	Sep 15	Sep 16	Sep 17
S&P 500	+0.86%	-0.48%	-0.45%	-0.45%	+1.14%
Dow Jones Industrial Average	+0.98%	-0.29%	-0.63%	-1.21%	+0.61%
Nasdaq Composite	+0.96%	-0.56%	-0.78%	-0.01%	+1.69%
Russell 2000	+0.45%	-0.40%	-0.76%	-0.40%	+0.55%

The rally was strongest in growth-oriented benchmarks. The Nasdaq Composite outpaced the S&P 500 by more than half a percentage point, while the Dow and Russell 2000 lagged. Over the last five sessions, the pattern remains mixed: the S&P 500 fell in three of the last four sessions before this rebound, and the Russell 2000 also declined in three straight sessions before Thursday’s gain.

Explore the full dashboard: Market snapshot.

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Sector View: Leaders and Laggards

• Leaders: Technology (XLK +2.25%), Consumer Discretionary (XLY +1.10%), Utilities (XLU +0.90%), Energy (XLE +0.70%), Materials (XLB +0.69%)
• Laggards: Communication Services (XLC -0.58%), Financials (XLF -0.09%), Industrials (XLI +0.18%), Consumer Staples (XLP +0.19%), Real Estate (XLRE +0.30%)

Leadership was concentrated in Technology, with XLK up 2.25%. Consumer Discretionary rose 1.1%, while Utilities gained 0.9% and Energy added 0.7%. On the weaker side, Communication Services slipped 0.58% and Financials edged down 0.09%. That mix suggests investors favored selective growth exposure more than a broad cyclical advance.

Explore the full dashboard: Sector performance.

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Volatility: VIX and ETF Implied Volatility

Metric	Sep 11	Sep 14	Sep 15	Sep 16	Sep 17
VIX Level	15.84	17.10	17.20	17.71	15.44

• SPY IV: 10.37% (Low)
• QQQ IV: 13.78% (Low)
• IWM IV: 14.54% (Low)
• DIA IV: 11.77% (Low)

Volatility eased notably. The VIX closed at 15.44, down from 17.71 on Sept. 16 and below 17.2 and 17.1 from the prior two sessions. Major ETF implied volatility also remained low, with SPY at 10.37%, QQQ at 13.78%, IWM at 14.54%, and DIA at 11.77%.

Explore the full dashboard: Volatility.

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Headlines Moving Markets

The key backdrop remained the Federal Reserve. The runtime package lists the Federal Reserve’s FOMC statement and the economic projections from the Sept. 15-16 meeting among the top ranked catalysts. Thursday’s rebound followed the prior session’s rate-driven weakness, suggesting markets were still digesting that policy signal.

• Federal Reserve Board and Federal Open Market Committee release economic projections from the September 15-16 FOMC meeting
• Federal Reserve issues FOMC statement
• Fed delivers its first hike in 3 years. Plus, what’s moving Starbucks and GE Vernova
• Yield on 10-year Treasury hovers above 5% as investors await Fed decision
• Wall St ends lower after Fed hikes interest rates, sees more tightening ahead - reuters.com
• Minutes of the Federal Open Market Committee, July 28–29, 2026
• Agencies seek comment on proposed third-party risk management guidance and issue statement on community bank engagement with core service providers
• U.S. International Trade in Goods and Services, July 2026
• Personal Income and Outlays, July 2026
• GDP (Second Estimate) and Corporate Profits, 2nd Quarter 2026
• Oil falls 1% as investors watch Middle East supply disruptions - reuters.com
• Indian rupee may need to weaken further as fundamentals shift, Axis Bank says - Reuters

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Technical Snapshot (SPY)

Level	Sep 11	Sep 14	Sep 15	Sep 16	Sep 17
20-day SMA	767.52	766.84	766.06	765.30	764.63
50-day SMA	758.21	758.58	758.90	759.02	759.15
200-day SMA	711.46	712.01	712.50	712.94	713.34

Near-term pivot structure, based on 2026-09-16:

• Resistance: 760.56 (R1), then 767.07 (R2)
• Pivot: 755.12
• Support: 748.61 (S1), then 743.16 (S2)

For SPY, the reference pivot sits at 755.12, with traditional resistance at 760.56 and 767.07, and support at 748.61 and 743.16. The 20-day simple moving average is 764.63, slightly above the latest zone, while the 50-day stands at 759.15 and the 200-day at 713.34. In other words, price is operating near key short-term trend markers rather than far above them.

Explore the full dashboard: Support & Resistance levels.

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What to Watch Next

• Breadth follow-through after the advance-decline ratio improved to 1.404 and advancing volume reached 67.79%.
• Whether participation can broaden beyond the current 21.67% of stocks above their 20-day moving averages.
• SPY near the 20-day SMA at 764.63 and traditional resistance at 767.07.
• Small caps. The Russell 2000 closed at 2874.63 after three straight down sessions before Thursday’s bounce.
• Volatility after the VIX fell to 15.44 while SPY implied volatility stayed low at 10.37%.

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Bottom Line

Thursday’s session was a solid rebound, especially in the Nasdaq and Technology. But the broader message was more restrained: price improved faster than participation. If breadth and short-term moving average participation do not strengthen from here, the rally could remain narrower than the headline index gains suggest.

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Market Pulse provides daily analysis of S&P 500 market breadth, sector rotation, and volatility signals to help investors understand what’s happening beneath the surface. Data sourced from our real-time market breadth collectors. For personalized planning, explore our retirement calculators, investment tools, and FIRE planning resources.

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