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Startups Weekly: Mercury more than doubled its valuation, and other news

This week's startup news features major developments including Mercury doubling its valuation to $3.5 billion, Cerebras Systems delaying its IPO, and Plenty filing for bankruptcy. Other highlights include a focus on nuclear energy startups, significant layoffs at Block, and various funding rounds for innovative companies across tech and AI sectors.

Key points

  • Mercury raised $300 million, doubling its valuation to $3.5 billion.
  • Cerebras Systems' IPO is delayed due to a national security review.
  • Plenty, a vertical farming company, filed for bankruptcy after nearly $1 billion in funding.
  • Block laid off 931 employees as part of ongoing cost-cutting measures.
  • Nuclear startup Terrestrial Energy went public via SPAC, expecting to raise $280 million.
  • Nvidia is close to acquiring Lepton AI, and FuriosaAI rejected an $800 million acquisition offer.

Why it matters

  • Recent trends indicate an increased investment in AI and sustainable technologies, echoing themes from 2025 IT forecasts.
  • The challenges experienced by startups like Plenty highlight the volatility and risk within emerging tech sectors.
  • The surge in valuations for companies like Mercury and Island reflects a broader investor interest in digital banking and enterprise solutions, pertinent to the recovery phase post-pandemic.

The week's startup activities reveal a complex landscape of opportunities and challenges, with significant investor interest in AI and green technologies, contrasting against failures like Plenty, emphasizing the mixed nature of the startup ecosystem.