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|Oct 16, 2017||25.34||26.25||25.20||25.56||323,585|
The historical stock information provided is for informational purposes only and is not intended for trading purposes. The historical stock information is provided by Mergent, a third party service, and Arena Pharmaceuticals, Inc. does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.