Kroger (KR) option implied volatility increases into investor conference

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Kroger Co. (NYSE: KR) Delayed: 56.61 --0 (-0%)
Previous Close $56.61    52 Week High $42.75 
Open $56.61    52 Week Low $28.71 
Day High $56.61    P/E 18.93 
Day Low $56.61    EPS $2.99 
Volume 12,384