Today's noteworthy downgrades include: American Midstream Partners (AMID) downgraded to Hold from Buy at Wunderlich... Armstrong World (AWI) downgraded to Underweight from Equal Weight at Barclays... Barracuda (CUDA) downgraded to Neutral from Buy at Guggenheim... Clayton Williams (CWEI) downgraded to Underperform at Raymond James... Crescent Point Energy (CPG) downgraded to Equal Weight from Overweight at Barclays... Eleven Biotherapeutics (EBIO) downgraded to Neutral from Buy at Citi... Erste Group Bank (EBKDY) downgraded to Neutral from Conviction Buy at Goldman... Fluidigm (FLDM) downgraded to Market Perform from Outperform at Cowen... Fortinet (FTNT) downgraded to Neutral from Overweight at Piper Jaffray... Julius Baer (JBAXY) downgraded to Neutral from Conviction Buy at Goldman... LifePoint (LPNT) downgraded to Neutral from Buy at Goldman... M.D.C. Holdings (MDC) downgraded to Equal Weight from Overweight at Barclays... Parker-Hannifin (PH) downgraded to Hold from Buy at Jefferies... Prudential (PRU) downgraded to Neutral from Buy at BofA/Merrill... Radian Group (RDN) downgraded to Neutral from Outperform at Macquarie... Ruckus Wireless (RKUS) downgraded to Neutral from Buy at Guggenheim... Synaptics (SYNA) downgraded to Perform from Outperform at Oppenheimer... Tiffany (TIF) downgraded to Neutral from Buy at Goldman... Timken (TKR) downgraded to Hold from Buy at Jefferies... Univar (UNVR) downgraded to Neutral from Buy at Goldman... Vale (VALE) downgraded to Hold from Buy at HSBC... Western Gas Equity (WGP) downgraded to Hold from Buy at Wunderlich... Whitecap Resources (SPGYF) downgraded to Equal Weight from Overweight at Barclays.