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Thomas Weisel Upgrades PerkinElmer (PKI) to Overweight Aug 13, 2009 08:06AM
Morning Movers 7/31: ANDS, NVTL, TOMO, RODM, DISK Higher; SYNA, ARIA, HTCH, PIR, AWRE, GPRO, PKI Lower Jul 31, 2009 09:54AM
David Moenning's Daily State of the Markets: 7/10 Jul 10, 2009 10:03AM
Thomas Weisel Downgrades PerkinElmer (PKI) to Market Weight Jan 30, 2009 10:38AM