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What Nvidia's comeback to a $5 trillion stock value tells us about this narrow market

CNBC

Last updated: April 28, 2026

Jim Cramer expresses concern about the data center stock boom, believing it's draining capital from other market sectors. He highlights the current investment trend where nearly all new cash is flowing into this specific group of companies, potentially at the expense of broader market health.

The financial market is currently experiencing a significant boom in stocks associated with data centers, a trend Jim Cramer finds concerning. Cramer's primary issue is that these data center stocks are "sapping this market of cash," indicating a disproportionate inflow of investment capital. He asserts that "every single available new dollar seems to go into this group," suggesting a concentration of investment that could be detrimental to other areas of the stock market. This intense focus on data center investments may be overshadowing opportunities and growth in alternative sectors. The situation implies a potential market imbalance driven by the strong performance and investor enthusiasm for companies involved in the data center infrastructure and services. This concentration of investment could lead to inflated valuations within the data center sector and underinvestment elsewhere. The implication is a need for investors to diversify their holdings rather than solely chasing the data center trend.