Short sellers gain $6bn amid AI data center stock selloff

Investing.com -- Investors who bet against US neocloud and data center companies have gained $6 billion in paper profits this month as concerns about debt-fueled AI expansion triggered a selloff, according to data analytics firm ORTEX. Still guessing which stocks will beat the market? Our AI portfolio updates monthly and is outperforming the S&P 500 by 118%. See this month's list » Short interest in CoreWeave, IREN, Nebius Group, Applied Digital and Core Scientific ranged from approximately 20% to 26% of their free float. CoreWeave's current short interest stands at 23.7% of its free float, up from 19.6% at the start of October and slightly higher than the 22.7% recorded at the beginning of 2026. Short sellers have made nearly $1.