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Markets Update September 2026 - Interest Rate Pressure and AI Concerns — Markets Are Stuck in a Rut

Bad Homburg, 9/22/2026
by Dr. Eduard Baitinger
  • Iran Conflict Escalates Again: Rising Oil Prices Fuel Inflationary Pressure and Drive Up Bond Yields
  • AI Sector Under Temporary Pressure: Calls for Stricter Regulation Weigh on the AI Boom
  • Markets Remain Resilient: Economic Conditions and Corporate Earnings Support Stock Prices

September is typically a weaker month for the stock market—and this year is no exception. So far this month, global stock markets have shown little momentum. However, this is not solely due to seasonal factors, but rather to a series of closely interlinked negative factors.

The conflict with Iran has escalated once again and has now spread to the Bab al-Mandab Strait. As a result, a key alternative route for global energy transport is coming under increasing pressure. As a result, the price of crude oil has risen significantly, and refined energy products such as diesel and gasoline are now more expensive than ever before. While this provides additional returns for commodity investors and broadly diversified multi-asset portfolios, it simultaneously weighs on both the stock and bond markets.

The inflationary pressure resulting from higher energy prices is driving already high bond yields even higher. U.S. Treasury bonds, which are a global benchmark, are particularly affected. This ultimately makes U.S. dollar liquidity more expensive—essentially the “lubricant” of global financial markets. At the same time, persistently high inflation has recently prompted several central banks to raise their key interest rates, which has also caused short-term market interest rates to rise.

A Temporary Setback for the AI Sector

In addition, many suppliers to the AI industry have recently come under pressure—and, at times, the AI boom as a whole has been affected as well. Calls for a slower pace of development for particularly powerful models, stricter safety standards, and stronger regulation have weighed on the sector. Nevertheless, there have been no major market corrections so far. This remarkable resilience is supported above all by the continued robust macroeconomic environment and stable earnings prospects. Furthermore, there are strong indications that the bond markets are oversold or that the recent rise in yields has been too rapid and too extreme. In the short to medium term, therefore, a reversal in bond yields appears increasingly likely. Investors should not assume that interest rate pressure will continue at the same pace.

A nuanced perspective is also warranted in the debate over AI safety. It remains to be seen how seriously leading AI developers actually mean their calls for stronger regulation—and to what extent strategic interests are at play: Stricter regulatory requirements would raise the barriers to entry for new competitors and could thus further solidify the market position of the two (!) already established providers, Anthropic and OpenAI. At the same time, it cannot be ruled out that they are also emphasizing the risks and extraordinary capabilities of high-performance models for marketing purposes—not least to underscore their technological leadership and thereby justify their high valuations in the run-up to potential IPOs.


About Dr. Eduard Baitinger

Dr. Eduard Baitinger has been Head of Asset Allocation at FERI AG since 2015. Under the overall responsibility of the CIO of the FERI Group, Dr. Marcel V. Lähn, Dr. Baitinger is responsible for quantitative asset allocation in the CIO Office and various publications on the assessment of the international financial markets.

Before joining FERI, Dr. Baitinger was a research assistant at the University of Bremen and a financial analyst at an asset manager. In 2010, he completed his studies at the University of Bremen with a degree in economics, accompanied by a stay abroad in New York. In 2014, Eduard Baitinger completed his doctorate with distinction on new approaches to quantitative asset management. Dr. Baitinger publishes regularly in academic journals and acts as an academic reviewer.

About FERI

The FERI Group, headquartered in Bad Homburg, Germany, was founded in 1987 and has developed into one of the leading multi-asset investment houses in the German-speaking region. FERI offers tailor-made solutions for institutional investors, family assets and foundations in the business areas:

Founded in 2016, the FERI Cognitive Finance Institute acts as a strategic research center and creative think tank within the FERI Group, with a clear focus on innovative analyses and method development for long-term aspects of economic and capital market research.

Together with MLP, FERI currently manages assets of over EUR 68 billion, including more than EUR 18 billion in alternative investments. In addition to its headquarters in Bad Homburg, the FERI Group also has offices in Düsseldorf, Hamburg, Hanover, Munich, Luxembourg, Vienna and Zurich.



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Dr. Eduard Baitinger