UBS upgrades these 2 U.S. airline stocks

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Delta Air Lines (NYSE: DAL) Delayed: 84.09 -0.04 (0.05%)
Previous Close $84.13    52 Week High $52.77 
Open $85.76    52 Week Low $32.60 
Day High $86.17    P/E 6.85 
Day Low $83.34    EPS $12.28 
Volume 8,152,423       

DELTIC TIMBER CORP. (NYSE: DEL) Delayed: 93.28 --0 (-0%)
Previous Close $93.28    52 Week High $72.74 
Open $7.64    52 Week Low $50.84 
Day High $93.28    P/E 44.85 
Day Low $93.28    EPS $2.08 
Volume 1,834,598       

UNITED CONTINENTAL HOLDINGS, Inc. (NASDAQ: UAL) Delayed: 112.51 +0.73 (0.65%)
Previous Close $111.78    52 Week High $62.94 
Open $114.75    52 Week Low $37.41 
Day High $114.76    P/E 77.06 
Day Low $111.36    EPS $1.46 
Volume 4,026,132