Fortinet (FTNT) guides on its Q4 call for Q1 revenue of $138M-$141M and 2013 revenue of $625M-$635M, mostly above a consensus of $139.6M and $618.9M. The company expects 2013 EPS of $0.60-$0.61, in-line with a $0.61 consensus. Shares +16.3% AH thanks to the guidance and a strong Q4 beat. Recent downgrades aren't looking too smart. Up in sympathy: PANW +3.1%. FIRE +4.9%. CHKP +1%.