Walmart results expected to show improved margins, online sales

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Costco Co. (NASDAQ: COST) Delayed: 947.74 +14.23 (1.52%)
Previous Close $933.51    52 Week High $169.73 
Open $939.64    52 Week Low $138.57 
Day High $949.90    P/E 204.70 
Day Low $933.82    EPS $4.63 
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Dollar General (NYSE: DG) Delayed: 123.41 +2.83 (2.35%)
Previous Close $120.58    52 Week High $96.88 
Open $121.72    52 Week Low $59.75 
Day High $123.43    P/E 39.55 
Day Low $121.30    EPS $3.12 
Volume 1,770,168       

Target Corp. (NYSE: TGT) Delayed: 165.44 +7.19 (4.54%)
Previous Close $158.25    52 Week High $84.14 
Open $161.06    52 Week Low $65.50 
Day High $165.48    P/E 44.47 
Day Low $160.23    EPS $3.72 
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Wal-Mart Stores (NASDAQ: WMT) Delayed: 103.70 -0.14 (0.13%)
Previous Close $103.84    52 Week High $75.19 
Open $103.68    52 Week Low $56.36 
Day High $104.28    P/E 21.38 
Day Low $102.15    EPS $4.85 
Volume 44,438,455