Easy summer energy-efficiency tips to keep your bill cool

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Duke Energy (NYSE: DUK) Delayed: 125.49 +0.44 (0.35%)
Previous Close $125.05    52 Week High $87.75 
Open $125.86    52 Week Low $65.50 
Day High $126.00    P/E 33.46 
Day Low $124.73    EPS $3.75 
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