The StubHub logo is seen at its headquarters in San Francisco.Online ticket platform StubHub is pricing its IPO at 23.50,CNBC′sLesliePickerconfirmedonTuesday.Thepricingcomesatthemidpointoftheexpectedrangethatthecompanygavelastweek.At23.50, the pricing gives StubHub a valuation of 8.6billion.StubHubwilltradeontheNewYorkStockExchangeunderthesymbol"STUB."TheSanFrancisco−basedcompanywasco−foundedbyEricBakerin2000,andwasacquiredbyeBayfor310 million seven ...