Wall Street’s main indexes dipped Monday as Nvidia plummeted following a Chinese antimonopoly investigation. Investors grew jittery ahead of critical U.S. inflation readings due midweek, raising questions about the Federal Reserve’s next steps and unsettling a technology sector already reeling from global regulatory pressures.
Nvidia Probe Sparks Wall Street Decline
On Monday, investors braced for pivotal inflation data later this week, and a fall in artificial intelligence (AI) leader Nvidia weighed on tech stocks, sending Wall Street's main indexes down, Reuters shares.
The information technology sector was hit hard when Nvidia was dragged down after the chipmaker was investigated by China's market regulator for possible violations of antimonopoly laws.
The Philadelphia Semiconductor Index took a hit as Advanced Micro Devices fell in value following a downgrade by BofA Global Research.
"The market was taken a bit by surprise regarding China's investigating (Nvidia) as a possible antimonopoly-law violation. So that's one thing that's putting a little damper on the market," said Sam Stovall, chief financial analyst at CFRA Research in New York.
Wall Street Indexes Plunge Amid Nvidia Fallout
Early estimates put the final tally for the S&P 500 at 6,053.68 points, down 35.69 points, or 0.60%, and the Nasdaq Composite at 19,736.69, down 123.08 points, or 0.62%. The Dow Jones Industrial Average dropped to 44,416.38 points, a decline of 226.14 points (or 0.51%).
As a result of Comcast's prediction that the communication services industry would lose over 100,000 broadband users in the fourth quarter, the stock price of the company fell.
There was a dramatic increase in Hershey stock price after news broke that Mondelez, the parent company of Cadbury, was considering buying out the chocolate maker. Mondelez stock dropped.
Inflation Data Looms Ahead of Federal Reserve Meeting
Before the Federal Reserve's meeting on December 17–18, investors are waiting for Wednesday's publication of the consumer price index (CPI) data set and Thursday's release of the producer price index (PPI).
Following Friday's statistics showing an increase in the unemployment rate to 4.2% in November, suggesting an improving labor market, the odds of a 25-basis-point rate drop at the next meeting surged to above 85%, Investing.com reports.
The Fed's Chair Jerome Powell was among several policymakers who warned against hastily loosening monetary policy in light of the economy's resiliency.
Trump’s Win Fuels Market Expectations for Pro-Business Policies
The two main Wall Street indices—the tech-heavy Nasdaq and the benchmark S&P 500—started December on a good note, with the former two gaining throughout the first week and the latter two ending slightly lower.
In November, U.S. equities surged following Donald Trump's victory and the party's control of both chambers of Congress. This set the stage for expectations of a more business-friendly policy agenda, which could explain the surge.


Oil Prices Hold Steady Amid Middle East Escalation and Sanctions Relief
US-Iran War: Trump Eyes Military Exit as Markets React to Potential De-escalation
U.S. Stock Futures Slide as Iran Conflict and Inflation Fears Rattle Wall Street
Super Micro Computer Shares Plunge After Co-Founder Charged in AI Chip Smuggling Case
xAI Faces Lawsuit Over Grok AI-Generated Sexual Content Involving Minors
Samsung Bets Big on AI-Driven Chip Demand in 2025
Goldman Sachs Delays Bank of England Rate Cut Forecast Amid Middle East Inflation Risks
European Stocks Tumble as Iran-Strait of Hormuz Crisis Rattles Global Markets
South Korean Stocks Tumble as Hawkish BOK Governor Appointment Rattles Markets
Elon Musk Confirms SpaceX, xAI, and Tesla Will Continue Large-Scale Nvidia Chip Orders
Israel Defies Trump's Warning, Launches New Strikes on Iran Amid Growing Global Energy Crisis
Qatar's Economy Under Pressure: How Regional Conflict Could Reshape Global Investment in 2026
U.S.-Iran War Escalates: Marines Deploy, Strait of Hormuz Closure Drives Global Oil Crisis
Japan Eyes Reduction in Inflation-Linked Bond Buybacks Amid Surging Investor Demand
Alibaba Bets on AI Agents to Unify Its Vast Digital Ecosystem
Iran-Israel War Escalates: Long-Range Missiles, Nuclear Site Strikes, and Global Energy Crisis
Trump White House Unveils National AI Policy Framework for Congress 



