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‘We didn’t see this coming’: Wall Street eats its forecasts as stocks sell off globally on fear of AI bubble ahead of SpaceX IPO

Reported by Fortune
Jun 8, 2026· 3 min read
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Key Takeaways
  • • Major selloff across global equity markets: S&P 500 fell 2.64% on Friday with the Nasdaq declining 4.18%, while the Philadelphia semiconductor index collapsed 10.26%, signaling weakness in the technology sector ahead of the SpaceX IPO scheduled for Friday.
  • • Geopolitical and energy headwinds driving volatility: Renewed Iran-Israel military conflict pushed Brent crude to $97 per barrel, with geopolitical risk compounded by President Trump's inability to influence Israeli Prime Minister Benjamin Netanyahu, creating a diffuse risk environment across markets.
  • • Widespread Asian weakness reflects contagion: South Korea's KOSPI declined 8.29%, Japan's Nikkei 225 fell 3.85%, and China's CSI 300 dropped 2.14%, indicating that market stress is spreading beyond U.S. equities with Asia bearing the heaviest losses.
  • • Fear index surge and AI bubble concerns: The VIX fear index rose 24% over five days as investors grapple with conflicting signals—strong U.S. job data, potential Fed rate increases, and concerns about the financial quality of three major AI sector IPOs coming this year, including SpaceX.
  • • Market sentiment fragile despite modest futures recovery: S&P 500 futures rose 0.35% in pre-market trading, suggesting potential retail buying of the dip, but UBS strategist Paul Donovan noted "no single cause" for the selloff, rather "a general sense of increasing risk" that has eroded investor patience with elevated oil prices and tariff concerns.
Summary
Global equity markets experienced a broad-based selloff on June 6-8, 2026, as multiple risk factors converged to trigger significant losses across developed and emerging markets. The S&P 500 declined 2.64% on Friday, with the technology-heavy Nasdaq experiencing steeper losses of 4.18%. The semiconductor sector bore particular strain, with the Philadelphia semiconductor index collapsing 10.26%—a warning sign for the pending SpaceX initial public offering scheduled for Friday. The VIX volatility index surged 24% over the preceding five days, reflecting heightened investor anxiety about market direction and asset valuations.

Geopolitical tensions provided the immediate catalyst for the selloff. Renewed military conflict between Iran and Israel drove Brent crude oil to $97 per barrel, a sharp spike that rippled through global energy markets and corporate profit expectations. The inability of President Trump to influence Israeli Prime Minister Benjamin Netanyahu regarding conflict de-escalation added a layer of political risk that markets found difficult to price. However, according to UBS strategist Paul Donovan, the underlying weakness reflected "no single cause, rather a general sense of increasing risk"—suggesting that multiple concerns have accumulated to erode investor confidence.

Asian markets absorbed particularly severe losses, with South Korea's KOSPI falling 8.29%, Japan's Nikkei 225 declining 3.85%, and China's CSI 300 dropping 2.14%, while India's Nifty 50 fell 0.9%. European indices also weakened, with the Stoxx 600 down 0.75% and the FTSE 100 down 0.4%. Bitcoin traded at $63,000, showing defensive positioning across alternative assets.

The market's selloff reflects investor frustration over competing macroeconomic signals. Strong U.S. employment data conflicts with concerns that the Federal Reserve may be forced to raise interest rates to combat inflation, potentially dampening equity valuations. Most critically, investors have begun questioning the financial fundamentals of three major AI sector IPOs slated for 2026, including SpaceX, signaling that enthusiasm for high-growth technology stocks may have run its course. Wall Street's earlier price targets have proven overly optimistic, with equity strategists forced to acknowledge that their forecasts failed to account for deteriorating sentiment around the sustainability of AI valuations and the mounting costs of geopolitical risk.

S&P 500 futures rose 0.35% in pre-market trading, suggesting potential retail investor bargain-hunting, but the recovery remains tentative. Institutional investors have signaled that their tolerance for elevated oil prices and trade tariff uncertainty has limits—those limits now appear to include rising interest rates and poor-quality AI sector financials.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Fortune ‘We didn’t see this coming’: Wall Street eats its forecasts as stocks sell off globally on fear of AI bubble ahead of SpaceX IPO