Dell stock plunges 11%, leading data center sell-off on AI concerns

Dell Technologies had a very good year right up until Tuesday. Shares fell 11.6% on October 14, 2026, closing at approximately $506. The drop came amid concerns that enterprise spending on AI may not be enough to keep data center equipment sales climbing. Dell wasn’t alone. It led a broader sell-off across the companies building and financing AI’s physical backbone. What knocked Dell off its perch The immediate trigger was a downgrade from Barclays. The bank moved Dell from Overweight to Equal Weight and cut its price target from $603 to $574. Barclays analyst Tim Long flagged two problems. The first is valuation, which he called stretched after Dell’s stock gained over 300% so far in 2026. The second is growth. Long warned that Dell’s growth could slow in the coming years as memory prices normalize. When memory chips are scarce and expensive, hardware makers like Dell can charge more for servers. If those memory costs come back down, that pricing power may fade with them. Inflation joined the pile-on The downgrade landed alongside a hot Consumer Price Index report for September. That inflation reading stirred fears that borrowing costs could rise. CoreWeave offered a clear example...