Today's noteworthy downgrades include: Alibaba (BABA) downgraded at Atlantic Equities on GMV deceleration, macro concerns... Atwood Oceanics (ATW) downgraded to Underweight from Equal Weight at Barclays... Copa Holdings (CPA) downgraded to Neutral from Outperform at Credit SuissevCytec Industries (CYT) downgraded to Sector Weight from Overweight at KeyBancvEV Energy (EVEP) downgraded to Underperform from Outperform at Credit SuissevFresenius Medical (FMS) downgraded to Hold from Buy at Societe Generale... Insulet (PODD) downgraded to Hold from Buy at Benchmark Co.... MaxPoint (MXPT) downgraded to Sector Weight from Overweight at Pacific Crest... Memorial Production (MEMP) downgraded to Neutral from Overweight at JPMorgan... Planar Systems (PLNR) downgraded to Hold from Buy at Lake Street... SolarEdge (SEDG) downgraded to Market Perform from Outperform at Avondale... Stage Stores (SSI) downgraded to Neutral from Buy at Sterne Agee CRT... Torchmark (TMK) downgraded to Underweight at Morgan Stanley.