By Liz Moyer

Investing.com -- Stocks are weaker on Tuesday as investors tried to take in mixed messages on corporate earnings. Here are the market movers for April 18.

• Southwest Airlines Company (NYSE: LUV) shares fell 1.4% after the carrier suspended flights for a brief period in the morning, citing technical issues. Even though flights resumed, more than 44% of its flights were delayed according to tracking site FlightAware.


• Johnson&Johnson (NYSE: JNJ) shares were down 2.7% after the pharmaceutical giant beat expectations and raised its fiscal year guidance. It did take a $6.9 billion litigation expense in the period related to its proposed settlement on talc claims.


• Goldman Sachs Group Inc (NYSE: GS) shares fell 1.1% after the investment bank beat expectations for profit but reported slightly weaker revenue than expected mainly because of trading. It sold $470 million of loans from its Marcus consumer division. Bank of America Corp (NYSE: BAC) shares rose 0.3% after the lending giant beat expectations in the quarter, benefitting from rising interest rates.


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  Lockheed Martin Corporation (NYSE: LMT) shares rose 2.7% after the aerospace company reported results that beat expectations and reaffirmed its guidance for the full year.

  
  


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  Netflix Inc (NASDAQ: NFLX) shares were edging up 0.2% in the afternoon ahead of the release of its first-quarter earnings. Investors are waiting to hear details about subscription trends in the quarter and the company's efforts to combat password sharing.