Tech guidance roundup: 1) Altera (ALTR - earnings) expects Q1 revenue to fall 4%-8% Q/Q. This implies revenue of $404M-$422M, below a $461.8M consensus. 2) LSI (LSI - earnings) expects Q1 revenue of $535M-$575M and EPS of $0.09-$0.15 vs. a consensus of $576.2M and $0.13. 3) Polycom (PLCM - earnings) expects Q1 revenue of $330M-$340M and EPS of $0.10-$0.12, below a consensus of $341M and $0.14. ALTR -6% AH. LSI -2.5%. PLCM unchanged for now.