Amazon and Nvidia executives said Thursday that the construction of artificial intelligence data centers is not slowing down, as recession fears have some investors questioning whether tech companies will pull back on some of their plans.

Some analysts think AWS is entering a "digestion phase" similar to Microsoft, pausing some data center deals amid signs of market moderation.

The move by the largest U.S. cloud company is the latest sign rising economic uncertainty could be forcing companies to rethink data center spending.