Quantum Stock Tracker: Rigetti Achieves Major Breakthrough, But Jim Cramer Names Another Stock To 'Own'

CNBC's Jim Cramer named one quantum stock to "own," while another company achieved a major technical breakthrough and substantial share price gains. Here's a look at what happened this week in the quantum computing sector. Rigetti – RGTI Rigetti Computing, Inc. (NASDAQ:RGTI) achieved a…