Fluidigm downgraded By: MarketMinute.com Stock News January 20, 2016 at 16:42 PM EST Cowen downgraded Fluidigm Corp. (Nasdaq: FLDM) from an Outperform rating to a Market Perform rating sending the stock price plummeting $1.22 to close at $6.22. Related Stocks: Fluidigm Corporation