Penguin Solutions is trading 11.57% lower at $42.76 as sector concerns over scrutiny and permitting weigh on AI and data-center expansion. - Reuters reported AI- and data-center-linked stocks slipped on November 5 amid concerns that tougher scrutiny or permitting hurdles could slow expansion. - The November 4 Cree LED sale is company news, but available reporting does not establish it as the cause of the decline. - The company had reaffirmed its fiscal 2027 outlook.