Increasing unusual option volume: UBS YANG EWH HSBC SURG ATER

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UBS AG (NYSE: UBS) Delayed: 53.50 +0.37 (0.70%)
Previous Close $53.13    52 Week High $19.94 
Open $53.44    52 Week Low $11.93 
Day High $53.57    P/E 57.53 
Day Low $53.20    EPS $0.93 
Volume 448,245