Microsoft Is Market’s Biggest Drag as AI Woes Weigh Down Stock

(Bloomberg) — The S&P 500 Index has had a fitful 2026 as it aims for a fourth-straight year of double-digit percentage gains, something it hasn’t done since the 1990s, while contending with risks from the war in Iran and rising inflation. Most Read from Bloomberg But one high-profile culprit is most responsible for holding back…


Microsoft Is Market’s Biggest Drag as AI Woes Weigh Down Stock

(Bloomberg) — The S&P 500 Index has had a fitful 2026 as it aims for a fourth-straight year of double-digit percentage gains, something it hasn’t done since the 1990s, while contending with risks from the war in Iran and rising inflation.

Most Read from Bloomberg

But one high-profile culprit is most responsible for holding back the market: Microsoft Corp. The software giant is down 12% this year, making it by far the biggest drag on the index’s 8.3% gain, according to data compiled by Bloomberg. While Meta Platforms Inc. and Tesla Inc. are the next closest, their moves amount to a fraction of Microsoft’s weight.

Microsoft shares were up slightly Thursday after the Information reported that Anthropic is in early talks to rent servers powered by Microsoft-designed AI chips.

The stock has otherwise been struggling amid tepid results from Microsoft’s cloud-computing division, which fueled concerns about the company’s position in the artificial intelligence landscape and caution about the scale of its AI-related spending. It also has gotten caught up in investors’ broader angst about software’s growth potential in an AI world.

“There are a lot of problems Microsoft has to solve, a lot of questions where we haven’t gotten good answers on its ability to successfully transition into a more AI-forward company,” said Howard Chan, chief executive officer at Kurv Investment Management, which owns Microsoft shares. “Its death has been exaggerated many times, and with sentiment so negative we see more upside than downside. But until we get answers, I don’t think it’s going to be smooth sailing.”

Meanwhile, the two other major players in cloud computing, Alphabet Inc. and Amazon.com Inc., are putting up double-digit percentage gains in 2026. With the Nasdaq 100 Index rising 15% in 2026, Microsoft is on pace for its third-straight year trailing the tech-heavy benchmark, and if the gap between the two lasts through the end of December, it would mark the most severe underperformance since 2003.

Microsoft’s earnings report in late April pointed to underwhelming growth in its Azure cloud computing business, especially relative to Alphabet and Amazon, which “suggests that peers see greater AI traction,” Bloomberg Intelligence analyst Anurag Rana wrote in a research note at the time. It also forecast $190 billion in capital expenditures through the end of December, more than Wall Street was expecting.

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