CNBC's Jim Cramer recommends investors delay buying shares of Accelevation Holdings, a newly public AI infrastructure company. Cramer cited two main reasons: increasing caution regarding data center stocks ahead of the midterm elections due to their high electricity demands and potential impact on energy costs, and a preference for established companies with proven track records. Accelevation Holdings, which makes and installs electric and cooling equipment for data centers, priced its offering at $18 per share on September 29, debuting the next day at $17.95 and has since fallen to just over $15.