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Investors Warn of “AI Hype Bubble” as Startup Valuations Soar to Record Levels

A growing number of leading investors are warning that artificial intelligence (AI) startup valuations are overheating, with early-stage funding rounds reaching unsustainable levels amid a global rush to back the next OpenAI.

Speaking at the Milken Institute Asia Summit 2025 in Singapore, Bryan Yeo, chief investment officer of Singapore’s sovereign wealth fund GIC, cautioned that the early-stage AI market is showing signs of “hype-driven froth.”

“There’s a little bit of a hype bubble going on in the early-stage venture space,” Yeo said. “Any startup with an ‘AI’ label gets valued at massive multiples of its tiny revenue. That might be fair for some, but probably not for most.”

According to PitchBook, AI startups raised $73.1 billion globally in the first quarter of 2025, accounting for nearly 58% of all venture capital investment. The surge has been fueled by megadeals such as OpenAI’s $40 billion capital raise, as investors race to secure a stake in the sector’s perceived future winners.

Yeo warned that “market expectations could be way ahead of what the technology can deliver,” adding that the ongoing AI capital expenditure boom may be masking economic vulnerabilities beneath the surface.

Todd Sisitsky, president of private equity firm TPG, echoed Yeo’s concerns, describing the fear of missing out (FOMO) as a dangerous force driving irrational valuations. “Some AI firms are hitting $100 million in revenue within months,” he said, “while others—still in early stages—are valued between $400 million and $1.2 billion per employee. That’s breathtaking.”

The warnings reflect growing unease among veteran investors who have seen similar speculative waves—from dot-com mania in the 1990s to crypto exuberance in the 2020s—inflate asset prices far beyond their underlying value.

Still, opinions remain divided on whether the AI sector has already formed a full-blown bubble or is simply experiencing the natural excesses of a transformative technology boom.

What’s clear is that AI’s gravitational pull on global capital continues to intensify, reshaping investment priorities and heightening the risk that innovation and speculation will soon collide.

Lendbuzz posts 38% revenue surge ahead of U.S. IPO

Auto-loan fintech Lendbuzz disclosed a sharp 38% jump in revenue in its U.S. IPO filing, underscoring renewed investor interest in fintech listings after years of market slowdown.

The Boston-based company reported $172.9 million in revenue and $11.1 million in net income for the first half of 2025, up from $125.4 million revenue and $5.6 million profit a year earlier. Lendbuzz and some existing shareholders will sell shares in the offering, with the stock set to trade on Nasdaq under the ticker “LBZZ”.

Founded in 2015, Lendbuzz uses artificial intelligence to provide auto loans for borrowers with little or no credit history, positioning itself as an alternative to traditional banks. The company partners with car dealerships and was last valued at $1.1 billion in a 2023 funding round. Its major backers include venture firms 83North and OG Tech Ventures.

The IPO will be led by Goldman Sachs, J.P. Morgan, RBC Capital Markets, and Mizuho.

The listing follows Swedish buy-now-pay-later firm Klarna’s New York debut earlier this week, a long-awaited moment seen as a test case for fintech IPOs. Analysts suggest Klarna’s aftermarket performance will act as a bellwether for firms like Lendbuzz hoping to benefit from the rebound in tech listings.

Edward Best, partner at Willkie Farr & Gallagher, said IPO activity will likely remain strongest in AI and fintech, reflecting where investor excitement is concentrated.

Wartime Innovation Spurs Israeli Defence Tech Surge Amid Global Demand

Amid the ongoing conflict in Gaza and growing geopolitical instability, Israel’s defence technology sector is experiencing a dramatic acceleration, driven by battlefield innovation and global demand. Civilian reservists with tech backgrounds, such as Zach Bergerson, are creating new startups in response to real-time battlefield needs—merging military insight with cutting-edge innovation.

Bergerson’s company, SkyHoop, which developed a wearable drone-detection system for soldiers, is now being piloted in Ukraine and is in talks for a potential U.S. Department of Defense trial. His story is emblematic of a broader trend: Israeli startups, born from frontline experiences, are attracting significant investment from both Israeli and American venture capital firms, many of whom had previously avoided defence tech due to regulatory risks.

According to Startup Nation Central, over one-third of Israel’s defence startups were founded after the October 7, 2023 Hamas attack that ignited the current war. The surge in wartime innovation has generated strong interest from Europe, especially as countries increase defence spending under NATO’s new mandate to raise defence budgets to 5% of GDP.

Lital Leshem, a reservist and co-founder of the new $100 million fund Protego Ventures, noted that Israeli tech professionals returning from the battlefield are creating companies to solve problems they directly experienced. Her fund has reviewed over 160 defence startups and expects to invest in a select few by the end of the year.

Israel’s defence exports reached a record $14.8 billion in 2024, with Europe accounting for over 50%—up from 35% the year before. Demand has spiked as European countries replace old systems sent to Ukraine and seek combat-tested, high-tech solutions. However, this boom comes alongside political backlash: calls for boycotts over Israel’s actions in Gaza have intensified, with over 57,000 Palestinians reported killed by local health officials, most of them civilians.

Despite global criticism, many nations continue to prioritize performance over politics when it comes to defence acquisitions. Reserve Brigadier General Yair Kulas, head of Israel’s International Defence Cooperation Directorate, acknowledged the tension between Israel’s innovation reputation and growing international delegitimization, especially in light of the Gaza humanitarian toll.

Analysts like Avi Hasson from Startup Nation Central believe this moment mirrors the tech boom of the early 2000s, when military innovations laid the groundwork for the smartphone era. Major Israeli defence firms—Elbit, Rafael, and Israel Aerospace Industries—are now eyeing startups for potential acquisitions or rapid internal development to keep pace with the evolving market.

As the war reshapes global defence priorities, Israel’s battlefield-tested startups may find themselves at the forefront of a new global arms innovation wave—if they can overcome regulatory and political hurdles.