AI decision models now guide autonomous agents while rainmaking tech pulls $100M and Hong Kong-based Ligent closes a $727M round. Coinbase opens pre-IPO access to retail traders as speculative bids circulate for non-existent OpenAI shares, signaling frothy market conditions amid breakthrough infrastructure advances.

Tuesday, September 22, 2026 — 410 words / ~2.7 min

Today's Top Stories:

  1. Coinbase Now Lets Anyone Buy IPOs Before They Go Public
  2. Jev Ships "Decision Models" — The LLM That Tells AI Agents What To Do
  3. Rainmaker Raises $100M to Automate Weather Using AI Training Methods
  4. Ligent Raises $727M in Hong Kong While Silicon Valley Still Chases Profit
  5. Retail Investors Bid Up OpenAI Shares That Don't Exist Yet