Why FMC Stock Dropped Today

Guidance spooks FMC investors despite a big earnings beat last night.FMC (FMC -7.13%) stock tumbled 6.5% through 10:55 a.m. ET this morning, despite soundly beating earnings expectations last night.Heading into the quarterly report, analysts expected FMC to earn $0.09 per share, adjusted for one-time items, on$784 million in revenue. In fact, FMC earned twice what it was "supposed to" -- $0.18 per share, and its sales came in at a strong$791.4 million. FMC Q1 earningsBut it's hard to call FMC's news "good ...