Despite the dip in its stock price, IonQ remains a quantum computing leader.Outside artificial intelligence (AI), quantum computing was one of the most popular investment themes in 2025. However, the sector certainly experienced a roller-coaster ride throughout the year, climbing to new heights before crashing back down to Earth. This includes leader IonQ (IONQ 3.06%), which is down more than 35% from its highs as of this writing.Let's see if you should be buying the stock on the dip. Taking a different app ...