Benzinga's Top Downgrades

Piper Jaffray downgraded Cognex Corporation (NASDAQ: CGNX) from “overweight” to “neutral.” CGNX's shares closed at $35.75 yesterday. Cognex's trailing-twelve-month ROA is 10.24%.

Steel Dynamics Inc (NASDAQ: STLD) was downgraded by Goldman Sachs from "buy" to "neutral." STLD's shares closed at $12.73 yesterday. Steel Dynamics' trailing-twelve-month profit margin is 3.21%.

Morgan Stanley downgraded Henderson Group plc (OTC: HNDGF) from “overweight” to “equal-weight.” Henderson Group's trailing-twelve-month profit margin is 9.77%.

Analysts at Goldman Sachs downgraded Worthington Industries (NYSE: WOR) from “neutral” to “sell.” WOR's shares closed at $16.69 yesterday. Worthington Industries' trailing-twelve-month operating margin is 7.81%.