Today's noteworthy downgrades include: Amec Foster Wheeler (AMFW) downgraded to Hold from Buy at HSBC... CVR Refining (CVRR) downgraded to Sell from Neutral at Goldman... Cenovus Energy (CVE) downgraded to Neutral from Buy at UBS... Clean Harbors (CLH) downgraded to Underperform from Market Perform at Raymond James... Core Laboratories (CLB) downgraded to Reduce from Hold at HSBC... Delek US (DK) downgraded to Neutral from Buy at Goldman... Deutsche Post (DPSGY) downgraded to Underperform from Outperform at Credit Suisse... Disney (DIS) downgraded to Neutral on reduced ESPN forecasts at Atlantic Equities... Dorian LPG (LPG) downgraded to Market Perform from Outperform at Wells Fargo... Encana (ECA) downgraded to Neutral from Buy at UBS... Fortinet (FTNT) downgraded to Hold from Buy at Deutsche Bank... Fortune Brands (FBHS) downgraded to Neutral from Outperform at Credit Suisse... General Growth (GGP) downgraded to Equal Weight from Overweight at Barclays... Golden Ocean (GOGL) downgraded to Underweight from Neutral at JPMorgan... Grupo Mexico (GMBXF) downgraded to Neutral from Overweight at JPMorgan... Halliburton (HAL) downgraded to Hold from Buy at HSBC... Marketo (MKTO) downgraded to Underperform at BofA/Merrill... Navios Maritime (NM) downgraded to Neutral from Overweight at JPMorgan... NetSuite (N) downgraded to Underperform at BofA/Merrill... OM Asset Management (OMAM) downgraded to Equal Weight at Morgan Stanley... Paylocity (PCTY) downgraded to Underperform from Neutral at BofA/Merrill... Pennsylvania REIT (PEI) downgraded to Underweight from Equal Weight at Barclays... Pinnacle West (PNW) downgraded to Hold from Buy at Evercore ISI... Public Storage (PSA) downgraded to Equal Weight from Overweight at Barclays... Red Hat (RHT) downgraded to Neutral from Buy at BofA/Merrill... Regal Entertainment (RGC) downgraded on valuation at RBC Capital... Rouse Properties (RSE) downgraded to Equal Weight from Overweight at Barclays... Star Bulk Carriers (SBLK) downgraded to Neutral from Overweight at JPMorgan... Stratasys (SSYS) downgraded to Neutral from Overweight at JPMorgan... Subsea 7 (SUBCY) downgraded to Reduce from Hold at HSBC... US Ecology (ECOL) downgraded to Market Perform from Outperform at Raymond James... USG (USG) downgraded to Underperform from Neutral at Credit Suisse... Vornado (VNO) downgraded to Equal Weight from Overweight at Barclays... Weir Group (WEIGY) downgraded to Underperform from Hold at Jefferies.

Unusual total active option classes on open include: ImmunityBio (IBRX), Halliburton (HAL), Redfin (RDFN), Nokia (NOK), Matterport (MTTR), General Motors (GM), UPS (UPS), Philip Morris (PM), PepsiCo (PEP), and General Electric (GE).

Reports Q1 revenue $5.8B, consensus $5.67B. "Halliburton delivered solid first quarter results that again demonstrated the power of our strategy and the strength of our execution. Activity in North America recovered from fourth-quarter lows, and our international business delivered its 11th consecutive quarter of year-on-year growth," commented Jeff Miller, Chairman, President and CEO. "Our customers' multi-year activity plans across markets and asset types confirms my confidence in the strength and duration of this upcycle. Halliburton demonstrated its commitment to shareholder returns in the first quarter and repurchased $250 million of common stock - a solid start to the year and a good benchmark for our expectations going forward," concluded Miller.