Shares of Quantum Computing (QUBT 6.07%) are surging on Tuesday, up 4.2% as of 2:52 p.m. ET but up as much as 22.7% earlier in the day. The jump comes as the S&P 500 and the Nasdaq Composite both had modest gains.Though there isn't a specific catalyst for the company today, positive news from another quantum company is bleeding into all quantum stocks.IonQ is buying Oxford IonicsIn a deal worth more than $1 billion, Quantum Computing's rival, IonQ, is purchasing the U.K.-based Oxford Ionics. The move will c ...