Quantum Computing Inc. stock is moving higher. Here's why. Shares of Quantum Computing Inc. ( QUBT 10.81%) are jumping on Monday, up 11% as of 2:23 p.m. ET. The spike comes as the S&P 500 ( ^GSPC 1.39%) and the Nasdaq Composite ( ^IXIC 2.08%) are both moving vastly higher.

Rigetti Computing (RGTI) witnessed a jump in share price last session on above-average trading volume. The latest trend in earnings estimate revisions for the stock doesn't suggest further strength down the road.

The breakthrough, confirmed in Nature, pushes quantum computing from theory to real-world validation. Alphabet stock rose 1.8%, adding nearly $35 billion in market value, as investors priced in Google’s evolving quantum edge. Following Google’s latest breakthrough, quantum computing is starting to look a lot more like a business.

HSBC said it used IBM's quantum tech in bond trading. IBM stock popped on the news as investors cheered real-world use for quantum computing.

When a banking giant name-checks quantum computing as part of a major investment in America's economic security interests, investors pay attention.

Shares of International Business Machines Corporation (NASDAQ: IBM) are up Thursday after the company announced it reached a technological milestone in quantum computing. What To Know: IBM partnered with London-based bank HSBC to test using quantum ...