Citrix (CTXS -2.7%) is selling off after delivering a mixed Q3 report. The thin client/virtualization software provider guided for Q4 revenue of $700M-$710M and EPS of $0.83-$0.85 vs. a consensus of $715.4M and $0.84. Preliminary 2013 guidance is for a 14% revenue gain (roughly in-line). Deferred revenue rose $20M Q/Q to $1.05B. During its earnings call, Citrix claimed macro issues caused "an unusually large number of opportunities" to be pushed out or split up, with the issues "most pronounced in North America during September."