Cognex Co. (NDAQ:CGNX) was downgraded by Needham & Company LLC from a “buy” rating to a “hold” rating in a note issued to investors on Wednesday. Cognex (NDAQ:CGNX) traded up 0.05% during mid-day trading on Wednesday, reaching $79.68. The company’s stock had a trading volume of 523,742 shares. The stock has a market cap of […]