Definitionof'SkirtLengthTheory' 　　Theideathatskirtlengthsareapredictorofthestockmarketdirection.Accordingtothetheory,ifskirtsareshort,itmeansthemarketsaregoingup.Andifskirtarelong,itmeansthemarketsareheadingdown.AlsocalledtheHemlineTheory. 　　Investopediaexplains'SkirtLengthTheory' 　　Theideabehindthistheoryisthatshorterskirtstendtoappearintimeswhengeneralconsumerconfidenceandexcitementishigh,meaningthemarketsarebullish.Incontrast,thetheorysayslongskirtsarewornmoreintimesoffearandgeneralgloom,indicatingthatthingsarebearish. 　　Althoughsomeinvestorsmaysecretlybelieveinsuchatheory,seriousanalystsandinvestors-insteadofexaminingskirtlengthtomakeinvestmentdecisions-insistonfocusingonmarketfundamentalsanddata.