Tech guidance roundup: 1) Stamps.com (STMP - earnings) expects 2013 revenue of $120M-$130M and EPS of $1.75-$1.95, below a consensus of $132.5M and $1.96. 2) Itron (ITRI - earnings) expects 2013 revenue of $2B-$2.1B and EPS of $3-$3.25; the former is in-line, but the latter is well below a consensus of $3.66. 3) Blucora (BCOR - earnings) expects Q1 revenue of $156M-$161M and EPS of $0.48-$0.52; the former is in-line, but the latter is soundly above a $0.36 consensus. STMP -22.3% AH. ITRI -10.1%. BCOR +9.9%.