Super Micro Computer jumped nearly 13% on Wednesday after it forecast quarterly revenue and profit margin comfortably above Wall Street estimates, signaling that AI data center demand remains resilient.

Shares of the AI server maker rose 12.7% to $36.69 in premarket trading.

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Super Micro forecast first-quarter revenue between $18.5 billion and $19.5 billion, above analysts' expectations of $15.23 billion, according to data compiled by LSEG It now expects profit margins in the range of 12% to 12.5% versus earlier expectations of between 10.4% and 10.8% The ongoing scramble to build data centers has largely benefited semiconductor and AI server makers, including Super Micro Microsoft, Google, Amazon and Meta are expected to spend more than $700 billion on AI infrastructure this year Other server makers Dell (DELL.N) and Hewlett Packard Enterprise (HPE.N) also gained over 4% each before the bell "Investors are likely to focus on whether strong performance in core businesses can continue to support elevated AI investment," said strategists at UBS Global Wealth Management The brokerage added that commentary from AI giants on spending, margins and returns will be scrutinized to determine whether the AI capex cycle can be justified Markets have lately been concerned about the profitability of data center operators, which have been issuing debt to fund their buildout at a time when borrowing costs are rising CoreWeave (CRWV.O), a heavily indebted data center operator, was at the center of a selloff last week that also rattled AI-linked stocks