Tech guidance roundup: 1) Equinix (EQIX - earnings) expects Q2 revenue of $530M-$534M, below a consensus of $534.7M. 2013 revenue is expected to be greater than $2.2B vs. a consensus of $2.22B. 2) F5 (FFIV - earnings) expects FQ3 revenue of $355M-$365M and EPS of $1.06-$1.09, below a consensus of $369.7M and $1.06-$1.09. A new $200M stock buyback has been authorized. 3) Citrix (CTXS - earnings) expects Q2 revenue of $705M-$715M and EPS of $0.62-$0.63 vs. a consensus of $711.5M and $0.70. 2013 guidance is for revenue of $2.95B-$2.98B and EPS of $3.08-$3.11 vs. a consensus of $2.97B and $3.14. EQIX -11.5% AH. FFIV -0.4%. CTXS -9.9%.