Key Takeaways Honeywell's Quantinuum raised $600M at a$10B valuation with NVIDIA among key backers.IonQ, Rigetti and D-Wave face both investor attention and higher competitive pressure.Quantinuum funding accelerates Helios launch and universal fault-tolerant quantum goals.NVIDIA’s (NVDA) latest move into quantum computing through a landmark investment in Honeywell (HON) -backed Quantinuum has jolted the sector, instantly lifting its profile among investors. Following the Sept. 4 announcement, the Defiance ...