Although Apollo’s (NASDAQ:APOL) fiscal Q4 results met expectations, the University of Phoenix operator withdrew its previously announced FY11 forecast, saying an enrollment decline is expected to accelerate and result in a significant Y/Y decline. APOL -11.4% AH. Peer education/school stocks sink: CECO -6.1%, COCO -4.5%, DV -5.1%, STRA -5.4%, ESI-OLD -6.5% AH.