Top 5 Stock Market Insights for September 11, 2025: CPI Data, Amazon's £8B UK Investment & More

Market Highlights for September 11, 2024

The financial world braces for the release of August's Consumer Price Index (CPI), anticipated to reveal easing inflation that could pave the way for a Federal Reserve interest rate cut later this month. Meanwhile, shares of Trump Media & Technology Group (DJT), owner of Truth Social, plummet in early trading following a heated debate between Donald Trump and Vice President Kamala Harris. Amazon (AMZN) announces a strategic £8 billion ($10.5 billion) investment to expand its data center footprint across the U.K. over the next five years, boosting cloud and AI capabilities. GameStop (GME) shares decline sharply after reporting weaker-than-expected quarterly sales despite a surprising profit. JPMorgan Chase (JPM) experiences its largest single-day drop since June 2020, reflecting cautious investor sentiment amid changing economic forecasts. U.S. stock futures dip after a mixed close on Tuesday. Here’s what investors must know today.

1. August CPI Data Signals Slowing Inflation

Investors eagerly await the August Consumer Price Index figures, which are projected to show inflation cooling to 2.6% year-over-year, down from July’s 2.9%. This trend aligns closer to the Federal Reserve’s 2% inflation target and could influence the Fed’s decision to reduce benchmark interest rates at the upcoming September 17-18 meeting, according to economists surveyed by Dow Jones Newswires and The Wall Street Journal.

2. Trump Media Stock Drops 15% After Presidential Debate

Shares of Trump Media & Technology Group (DJT) fell 15% in premarket trading as investors reacted to the recent debate between Donald Trump and Vice President Kamala Harris. The candidates clashed over key economic issues such as tariffs, inflation, and student loan policies. DJT’s stock performance is closely watched as an indicator of market confidence in Trump’s presidential campaign.

3. Amazon Commits £8 Billion to UK Data Centers in AI and Cloud Expansion

Amazon (AMZN) announced plans to invest £8 billion ($10.5 billion) over the next five years to build and operate advanced data centers throughout the U.K. This substantial investment aims to enhance Amazon Web Services’ (AWS) cloud infrastructure and artificial intelligence capabilities. Amazon projects this initiative will contribute £14 billion to the U.K. economy and support approximately 14,000 jobs annually through 2028. AMZN shares remained steady in early trading.

4. GameStop Shares Slide 9% After Disappointing Sales Report

GameStop (GME) stock declined 9% in premarket trading following a quarterly sales report that fell short of expectations, despite the company posting a surprise profit. The stock had surged over 30% year-to-date, fueled in part by social media enthusiasm from meme stock influencer Keith Gill, known as "Roaring Kitty."

5. JPMorgan Shares Fall After Biggest One-Day Drop Since 2020

JPMorgan Chase (JPM) shares edged lower after a 5% drop on Tuesday, marking the bank’s most significant single-day decline since June 2020. The sell-off followed comments from JPMorgan’s president, who cautioned that Wall Street’s projections for 2025 net interest income and expenses might be overly optimistic amid expected interest rate cuts and ongoing inflation concerns. Despite this, JPM shares have gained 20% so far this year, benefiting from elevated lending rates.

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