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BofA’s Hartnett Warns Mega-IPOs Risk Bubble Like Roaring ‘20s

Bloomberg Markets · May 22, 2026, 12:41 PM · Also reported by 2 other sources

Mega IPOs like those eyed by SpaceX and OpenAI threaten to push the weighting of tech in equity benchmarks beyond market-bubble levels of concentration, according to Bank of America Corp. strategist Michael Hartnett.

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BofA’s Hartnett Warns Mega-IPOs Risk Bubble Like Roaring ‘20s

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