Goldman Sachs analyst Catherine O'Brien lowered her price target on Southwest (LUV) to $49 and kept her Sell rating, saying there is increased risk to the company's 2019 earnings outlook. The analyst cites the company's contract issues with the the Aircraft Mechanics Fraternal Association, which she estimates to have reduced capacity by about 1.5% for the airline due to maintenance related cancellations. O'Brien also notes that Southwest has lost revenue from the recent grounding of Boeing's (BA) 737 Max8 aircraft.

Notable companies reporting before tomorrow's open, with earnings consensus, include Merck (MRK), consensus $1.87... Caterpillar (CAT), consensus $5.14... Comcast (CMSCA), consensus 99c... Honeywell (HON), consensus $2.17... Bristol-Myers (BMY), consensus ($4.44)... Altria (MO), consensus $1.15... Keurig Dr. Pepper (KDP), consensus 35c... GE Vernova (GEV), consensus (37c)... Royal Caribbean (RCL), consensus $1.33... Tractor Supply (TSCO), consensus $1.72... Mobileye (MBLY), consensus (6c)... Textron (TXT), consensus $1.23... LabCorp (LH), consensus $3.48... Southwest Airlines (LUV), consensus (34c)... American Airlines (AAL), consensus (29c)... Harley-Davidson (HOG), consensus $1.51.

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Reports Q1 revenue $16.6B, consensus $15.22B. "Our first quarter results reflect the immediate actions we've taken to slow down 737 production to drive improvements in quality," said Dave Calhoun, Boeing president and CEO. "We will take the time necessary to strengthen our quality and safety management systems and this work will position us for a stronger and more stable future."