We recently published 10 Stocks Taking a Nosedive. IonQ Inc. (NYSE:IONQ) is one of the worst performers on Wednesday. IonQ snapped a five-day winning streak on Wednesday, shedding 6.22 percent to close at $74.30 apiece amid concerns of a quantum computing bubble, while investors took profits from the previous days’ gains. In the past month and year alone, IonQ Inc. (NYSE:IONQ) has already jumped by whopping 81 and 678 percent, respectively, and analysts are posting concerns about their steep valuations. ...