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Editorial Advisory Board

  • Professor Andrea M. Armani, University of Southern California
  • Ruti Ben-Shlomi, Ph.D., LightSolver
  • James Butler, Ph.D., Hamamatsu
  • Natalie Fardian-Melamed, Ph.D., Columbia University
  • Justin Sigley, Ph.D., AmeriCOM
  • Professor Birgit Stiller, Max Planck Institute for the Science of Light, and Leibniz University of Hannover
  • Professor Stephen Sweeney, University of Glasgow
  • Mohan Wang, Ph.D., University of Oxford
  • Professor Xuchen Wang, Harbin Engineering University
  • Professor Stefan Witte, Delft University of Technology

PubMatic (PUBM) Stock Is Up, What You Need To Know

PUBM Cover Image

What Happened?

Shares of digital advertising technology company PubMatic (NASDAQ: PUBM) jumped 3.1% in the afternoon session after the company launched a new AI-powered monetization platform designed to give publishers more control over their revenue, data, and demand. 

The unified platform combines capabilities for automated revenue optimization, first-party data monetization, and direct access to media budgets. PubMatic's Co-Founder and CEO, Rajeev Goel, stated that "Media owners must embrace innovation now more than ever," emphasizing the platform's role in helping publishers gain insights to attract advertisers. The launch comes as the digital advertising market is projected to reach $770 billion in 2025. This new offering aims to help publishers on the open internet better compete for advertising budgets that are often captured by major walled gardens. The stock's rise also occurred during a broader market rally, as falling bond yields provided support for technology stocks.

After the initial pop the shares cooled down to $8.37, up 2.8% from previous close.

Is now the time to buy PubMatic? Access our full analysis report here, it’s free.

What Is The Market Telling Us

PubMatic’s shares are very volatile and have had 25 moves greater than 5% over the last year. In that context, today’s move indicates the market considers this news meaningful but not something that would fundamentally change its perception of the business.

The previous big move we wrote about was 6 days ago when the stock dropped 4.7% on the news that markets pulled back, reversing early gains, as investor sentiment remained cautious despite a softer-than-expected inflation reading. 

Stocks rose in the morning session after an unexpected drop in the Producer Price Index (PPI) for August signaled easing inflation and raised expectations for a potential Federal Reserve interest rate cut. The U.S. Bureau of Labor Statistics reported that the PPI, which measures wholesale prices, edged down 0.1% last month, contrary to analyst expectations for a 0.3% rise. This data gives the Federal Reserve more flexibility to consider lowering interest rates to stimulate the economy.

PubMatic is down 43.6% since the beginning of the year, and at $8.37 per share, it is trading 51.2% below its 52-week high of $17.14 from February 2025. Investors who bought $1,000 worth of PubMatic’s shares at the IPO in December 2020 would now be looking at an investment worth $284.04.

Unless you’ve been living under a rock, it should be obvious by now that generative AI is going to have a huge impact on how large corporations do business. While Nvidia and AMD are trading close to all-time highs, we prefer a lesser-known (but still profitable) semiconductor stock benefiting from the rise of AI. Click here to access our free report on our favorite semiconductor growth story.

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