A clip of Donald Trump praising the CEO of International Business Machines (NYSE:IBM) went viral last weekend and helped power the stock’s biggest weekly move in years.

The footage was six months old, and is not the only reason IBM has gained nearly 30% in five sessions.

A $10 Billion Quantum Commitment

IBM said Tuesday it will invest more than $10 billion in quantum computing over five years, aiming to build the world’s first large-scale, fault-tolerant quantum computer by 2029.

“The quantum era is no longer ahead of us, it has started,” Chairman and CEO Arvind Krishna said.