U.S. stocks fall on oil, earnings; dollar retreats

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Perrigo (NYSE: PRGO) Delayed: 14.64 +0.16 (1.10%)
Previous Close $14.48    52 Week High $156.03 
Open $14.34    52 Week Low $79.72 
Day High $14.70    P/E N/A 
Day Low $14.26    EPS $0.00 
Volume 2,470,929       

Xerox Corp. (NASDAQ: XRX) Delayed: 3.23 +0.17 (5.56%)
Previous Close $3.06    52 Week High $11.39 
Open $3.07    52 Week Low $8.48 
Day High $3.28    P/E 3.47 
Day Low $3.03    EPS $0.93 
Volume 4,319,621