Quantum-Si Stock Jumps as Traders Bet on Proteus Launch — Here’s What Could Move QSI Next
Quantum-Si shares jumped 5.5% to $1.245 Tuesday, with no new company news, as traders focused on the Proteus platform launch expected later this year. Volume reached 3.1 million shares, market value near $270 million. First-quarter revenue fell 69% to $258,000, net loss widened to $21.7 million. The company reported $190.4 million in cash at March 31, enough to fund operations into Q2 2028.