The 'Magnificent Seven' (Mag 7) tech giants, including Microsoft, Nvidia, Alphabet, Apple, Amazon, Meta, and Tesla, have seen a substantial reduction in their market swagger as the AI trade broadens beyond these behemoths. While the Nasdaq 100 Index is up 16% and the S&P 500 has climbed 10% in 2026, an index tracking the Mag 7 has gained just 1.7%. This indicates a waning of the AI euphoria that previously drove the stock market to all-time highs. Information technology was the worst-performing group in the S&P 500 last week, declining 1.6%, while the tech-heavy Nasdaq 100 Index lost 4.1%. This downturn was largely attributed to chip stocks, with the Philadelphia Stock Exchange Semiconductor Index sinking 10% for its worst week since April 2025.

Around $2.3 trillion has been wiped off the value of the Magnificent Seven this month. Microsoft, for instance, is down 20% in June, Nvidia has fallen approximately 13%, and both Apple and Amazon are down around 8%. This sell-off is due to investors growing jittery about the immense infrastructure spending on artificial intelligence by these companies, and concerns about when these investments will generate returns. Companies like Amazon, Microsoft, Alphabet, and Meta are collectively spending hundreds of billions of dollars on chips and data centers for AI services, with some of this investment being debt-financed. Investors are now awaiting the second-quarter earnings season, which kicks off in July, to validate the AI Revolution buildout.

In contrast, other parts of the tech market, particularly semiconductor stocks, have continued to rally. The Philadelphia Semiconductor Index, which includes companies like Taiwan Semiconductor Manufacturing Co., Micron, and ASML, is up approximately 6% this month and over 90% this year, compared to a 3.4% decline for the Mag 7. This strength is driven by a supply shortage and high memory pricing, benefiting the entire semiconductor supply chain. The Roundhill Memory ETF, tracking memory stocks such as SK Hynix and Samsung, has surged 166% this year. Analysts suggest that while jitters exist in parts of the tech sector, strong earnings from companies like Micron reinforce the solid fundamentals of the AI growth story, indicating that the bottlenecks in the AI supply chain are not abating and cloud revenue is expected to accelerate for major platforms throughout the rest of the year.