The IPO window has finally unseized after a brutal, war-chilled winter — and the companies now charging through share two things: real revenue and a splash of AI stardust.

Evidence For

Monday alone saw three US roadshows launch simultaneously, plus a billion-dollar Hong Kong filing:

• Lime, the Uber-backed e-scooter giant, launched its US IPO targeting up to $1.66 billion, seeking $181.9 million at $24–$26 per share. Uber indicated interest in buying **$20...