Southwest Airlines starts interline partnership with Singapore Airlines

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Southwest Airlines (NYSE: LUV) Delayed: 49.41 +0.84 (1.73%)
Previous Close $48.57    52 Week High $51.34 
Open $47.87    52 Week Low $33.96 
Day High $49.58    P/E 47.06 
Day Low $47.78    EPS $1.05 
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