Jan 28 (Reuters) - Short sellers of artificial intelligence-related stocks raked in bumper profits after the smashing debut of low-cost AI models from China's DeepSeek spooked Wall Street, with bets against Nvidia yielding record profits totaling more than $6 billion.

Traders betting against AI-darling Nvidia (NVDA.O), opens new tab earned profits of about $6.6 billion - the biggest single-day move ever on the stock - according to data analytics firm Ortex.

Nvidia saw $593 billion wiped off, opens new tab its market value on Monday, in the biggest single-session loss ever for any company, after Chinese startup DeepSeek launched AI models that it said are at par or better than industry-leading models in the United States, at a fraction of the cost.

Short sellers of chipmaker Broadcom (AVGO.O), opens new tab also earned more than $2 billion in profits.

Other AI-related stocks, such as server-maker Super Micro (SMCI.O), opens new tab, data-center operator Equinix (EQIX.O), opens new tab and energy provider Vistra (VST.N), opens new tab, also witnessed heavy losses on Monday, giving investors betting against these firms combined profits of more than $900 million, according to Ortex.