S&P 500 Today LIVE: Index Falls 0.80% as Nvidia, AI Chip Stocks Retreat, Oil Tops $109, Fed Bets Rise and Treasury Yields Hit 5% | Check What Investors Should Watch

US stocks slide as Nasdaq loses 1%, S&P 500 falls 0.8%, AI shares retreat, Brent tops $109 and Treasury yields reach 5%.

By: Amreen Ahmad
Last Updated: September 14, 2026 21:18:39 IST

US Stock Market Today LIVE: US stocks started the week under pressure as investors faced a difficult mix of weaker technology shares, surging crude prices and rising Treasury yields. The Nasdaq Composite was the biggest casualty, ending 1.03% lower at 26,061.19. and the S&P 500 fell 0.80% to 7,595.97, while the Dow Jones declined 281.63 points or 0.54%, to 52,291.66.

The squeeze was focused on AI and semiconductors amid new discussions regarding the speed at which artificial intelligence is being developed. In the meantime, the price of Brent crude exceeded $109 per barrel, creating new worries about inflation and interest rate risks before the Federal Reserve’s meeting in September.

US Stock Market Today Live: Market Snapshot

Index Level Change Change %
Dow Jones 52,291.66 -281.63 -0.54%
Nasdaq Composite 26,061.19 -271.85 -1.03%
S&P 500 7,595.97 -61.01 -0.80%

US Stock Market Today: Key Market Indicators

Indicator LTP Change Change %
Crude Oil $104.22 +4.17 +4.16%
Brent Crude $109.10 +4.49 +4.29%
Gold $4,268.24 -82.12 -1.89%
DXY 99.67 +0.55 +0.55%
US 10Y 5.000% +0.03 +0.54%
Yen 154.848 +0.43 +0.28%
Euro 1.153 -0.01 -0.71%

Oil and Treasury yields were the two major macro pressure points for equities.

Stock Market Today: Global Market

Index Level Change Change %
FTSE 10,690.17 +39.73 +0.37%
CAC 8,098.20 -81.57 -1.00%
DAX 25,379.00 -189.56 -0.74%
Nikkei 225 63,492.99 -518.35 -0.81%
Straits Times 5,718.02 +22.09 +0.39%
Hang Seng 24,917.60 +111.97 +0.45%
KOSPI 6,684.37 -225.54 -3.26%

The global picture was mixed, although Asian technology markets faced notable selling pressure.

S&P 500 Today

The S&P 500 closed at 7,595.97, falling by 61.01 points and the fall was wide-ranging enough to signal worries beyond the technology industry. One company that gained the most was CrowdStrike, which climbed 12.23% in price, followed by Palo Alto Networks, which gained 10.62% while some of the companies that fell include Constellation Energy and Lam Research, both of which lost 6.57%.

What Is Happening in the US Stock Market Today?

The market action on Monday was a result of the clash between the solid tech themes of corporate stocks and deteriorating macroeconomic fundamentals. The statements made by AI leaders regarding the risks associated with advanced models had a significant impact on stock prices. The stocks that have been benefiting from AI investments were the hardest hit as Brent crude increased by 4.29% to $109.10, while US crude grew by 4.16% to $104.22.

Why Is US Stock Market Down Today?

  • AI development concerns: Fresh warnings about the pace of advanced AI development pressured chip and infrastructure stocks.
  • Semiconductor sell-off: Arm Holdings fell 6.76%, while Lam Research declined 6.57%.
  • Oil above $100: US crude remained above $100, with Brent approaching $110.
  • Higher Treasury yields: The 10-year US yield reached around 5%.
  • Fed uncertainty: Investors are positioning ahead of the September policy decision.
  • Recent weekly weakness: The Dow lost 1.6% last week, its worst weekly performance since March.

US Stock Market Today: Fed Rate Hike Bets Rise

Federal Reserve is definitely the one dominating this week’s market attention and the indicated CME FedWatch estimate suggests that traders believe that a chance for a rate hike is estimated at around 90%. Such expectations are significant due to the fact that higher interest rates may cause highly-valued growth stocks to become less attractive and the situation becomes especially concerning when coupled with an increase in oil prices.

US Stock Market Today: Nvidia Earnings In Focus

It was Nvidia that still ranked first as the highest company in terms of its market value at about $5.09 trillion however, its shares dropped by 3.73% to $210.15. The drop is significant not only because of Nvidia but also because the corporation is seen as the barometer of investors’ belief in the AI investment cycle as a whole. If the demand for AI infrastructure will be high, then the industry can quickly recover.

US Stock Market Today: Micron, Intel, AMD, SanDisk Slump Up To 8% As Chip Trade Flips On AI CEOs’ Slowdown Call

Among those that saw heavy losses on the day were semiconductor stocks. For example, Intel lost 5.91% based on the provided closing figure after falling nearly 8% to start the day meanwhile, Arm Holdings was down 6.76%, and Applied Materials fell 6.17%. Nvidia was off 3.73%. Early action had seen AMD, Micron and Marvell facing strong pressure while the drop followed statements by Anthropic CEO Dario Amodei, who has called for a slower approach to developing more advanced AI. This is against a backdrop of comments by OpenAI CEO Sam Altman about IPO timing. For chip stocks, the issue is not if but when.

US Stock Market Today: Brent Crude Tops $109 Amid Middle East Tensions

Crude prices sent out one of the most definitive early warnings on Monday, with Brent crude rising by 4.29% to end at $109.10 and US crude advancing by 4.16% to close at $104.22. During the day, Brent had been hovering around $110, while WTI had risen as high as $104.72. This development came after disruption in the East-West pipeline of Saudi Arabia, which is a 1,200 km-long pipeline meant to be a safe alternative to the Strait of Hormuz. US crude had already moved above $100 last week for the first time since May.

US Stock Market Today: September Market Outlook

September’s forecast is turning out to be complex as Stocks came into the week following a tough five-day week and the Dow declined by 1.6%, its largest weekly decline since March. The S&P 500 was down by around 0.8%, whereas the Nasdaq was lower by about 0.7%. It is now up to the investors to deal with three main factors, which are oil, interest rates and AI valuations.

US Stock Market Today: Treasury Yields Hit Multi-Year Highs

The US Treasury yield with a 10-year maturity rate went up to 5% and achieved its peak since October 2023. Based on the provided closing figures, the US treasury yield rate was 5.000%. At the beginning of the day, the figure had already increased to 4.98%. Yield rates can put pressure on the stock market because people will require higher returns on high-risk investments while such yield rates can be problematic for tech firms.

🟢 Market Open (Opening Bell)

Asset Opening Move
S&P 500 -0.70%
Nasdaq Composite -1.20%
Dow Jones -0.30%
WTI Crude +4.70% to $104.72
Brent Crude +4.70% to $109.56
Bitcoin +0.80% to $77,911.38
Ether -0.30% to $2,505.03

The opening session immediately pointed to a risk-off tone, with technology shares and equities falling as oil jumped.

US Stock Market Today: S&P 500 Weekly Price Forecast

These ranges are editorial scenarios based on the supplied market backdrop, not guaranteed price targets.

Scenario S&P 500 Range
Bearish 7,350–7,500
Base Case 7,500–7,750
Bullish 7,750–7,950

A sustained move above the upper zone could improve sentiment, while a break below the bearish range would suggest that selling pressure is becoming broader.

US Stock Market Today: S&P 500 12-Month Price Forecast

Scenario 12-Month Range
Bear Case 6,700–7,200
Base Case 7,800–8,500
Bull Case 8,600–9,300

These are scenario ranges for analysis rather than formal forecasts or investment recommendations.

US Stock Market Today: S&P 500 Top Gainers

Company Price Change %
CrowdStrike $232.03 +12.23%
Palo Alto Networks $365.78 +10.62%
FactSet $279.29 +7.54%
Coinbase $185.18 +5.66%
ServiceNow $137.91 +4.06%

CrowdStrike and Palo Alto Networks provided the strongest upside among the listed S&P 500 movers.

US Stock Market Today: S&P 500 Top Losers

Company Price Change %
Constellation Energy $266.05 -6.57%
Lam Research $278.63 -6.57%
Super Micro Computer $37.51 -6.46%
Applied Materials $428.32 -6.17%
Monolithic Power Systems $1,158.78 -6.13%

The losers’ list again highlighted the heavy pressure on AI infrastructure and semiconductor-linked shares.

US Stock Market Today: What Investors Should Watch Next

  • Federal Reserve decision: The September policy announcement could set the tone for stocks and bonds.
  • Brent crude: A sustained move around or above $110 could intensify inflation worries.
  • Treasury yields: Investors will watch whether the 10-year yield remains near 5%.
  • AI sentiment: Semiconductor stocks could remain volatile as investors reassess AI spending expectations.
  • Market breadth: A recovery led only by a handful of large technology names would offer a weaker signal than a broader rebound.

FAQ’s: US Stock Market Today

  • Why did the Nasdaq fall today? The Nasdaq dropped 1.03%, with semiconductor and AI-related stocks facing heavy selling alongside higher oil prices and Treasury yields.
  • Where did the S&P 500 finish? The S&P 500 ended at 7,595.97, down 61.01 points or 0.80%.
  • How much did Nvidia fall? Nvidia declined 3.73% to $210.15 in the supplied market snapshot.
  • What happened to crude oil? US crude rose 4.16% to $104.22, while Brent gained 4.29% to $109.10.
  • What is the next major market event? The Federal Reserve’s September policy decision is the key event investors are watching this week.

Disclaimer: Market data and forecasts are for information only, not investment advice. Prices can change quickly and actual results may differ.

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