Jim Cramer said some data center stocks are buying large amounts of their own shares in the open markets [2].

This activity suggests a renewed confidence in the infrastructure supporting artificial intelligence. As companies invest in their own equity, it often signals to the broader market that leadership believes the current share price is undervalued relative to future growth.

Speaking during a segment of CNBC’s 'Mad Money' program, Cramer said, "The AI data center trade is back" [1, 3]. He said that the sector is seeing a comeback driven by the ongoing demand for AI capabilities [3, 4].

Cramer identified six stocks [3] that are leading this specific rebound in the data center space. The buybacks in the open market indicate that these firms are utilizing their capital to support their own stock prices amid the sector's volatility.

Data centers serve as the physical backbone for AI, housing the servers and processing power required for large language models. The trend of corporate buybacks in this sector reflects a strategic move to stabilize value while the industry expands to meet computational needs.

Cramer said, "Some of the data center stocks are buying huge amounts of stock in the open markets" [2]. This trend highlights a shift in how these companies are managing their balance sheets as the AI trade regains momentum.

"The AI data center trade is back."

The return of the 'AI data center trade' indicates that investors are moving beyond the chipmakers and focusing on the physical infrastructure required to run AI. When companies engage in open-market buybacks, it typically serves as a signal of internal confidence in the company's long-term valuation, suggesting that the initial hype phase of AI is transitioning into a phase of tangible infrastructure investment.