Illumina's (ILMN -32.2%) warning is taking a heavy toll on many companies dependent on medical research spending (I, II). Some of the other names tanking in sympathy: PKI -7.8%. LMNX -7.3%. TMO -5.7%. BRKR -3.5%. WAT -8%. PACB -11.4%. Fluidgm (FLDM -7.8%) is also among the casualties in spite of reaffirming its 2011 outlook.