Coatue Management's Philippe Laffont is making some eyebrow-raising moves with his nearly 30billionhedgefund.WallStreetisadata−dominatedlandscape,anditcanbeeasyforinvestorstoallowthisoverabundanceofdatatocausethemtomisssomethingimportant.Forexample,Feb.14representedadaywheremostAmericanswenttheextramiletoensuretheirsignificantotherknewtheywerespecial.Butforinstitutionalinvestorswithatleast100 million in assets under management (AUM), Valentine's Da ...