Abstract:Withtheinfluenceofthewaveoffinancialcrisisin2008,thefinancialindustryisimpactedgreatly.Thestock,securityandfuturegoodsindustriesareaffectedseverelybythefinancialcrisis.Andtheinvestmentbankindustryencounteredtheunprecedenteddifficulties.Thetitleofthepaperisdiscussionaboutthedevelopmentandvalueoftheinvestmentbanks.Throughthestudyoftheprincipalbusiness,evolutionandtheoryoftheinvestmentbanks,andtheanalysisoftheadvantagesanddisadvantagesoftheinvestmentbanks,wefindtheproblemoftheinvestmentbanks.Thenwefindouttherightwaytodevelopthebusinessoftheinvestmentbank.Iftheinvestmentbankswanttominimizetheimpactoffinancialcrisis,theymustreformfromtheinsidetotheoutsideoftheinvestmentbanks.Webelievetheinvestmentbankswillhaveanewdevelopingspring.Keywords:investmentbankfinancialcrisisfinancialindustry摘要：在2008年金融危机浪潮的影响下，最受打击的应该就是金融业，股票、证券、期货等分支行业都受到了不小的打击，同时投资银行业同样遇到了空前的困难。本文将通过对投资银行的历史、现状、发展的研究，以及投资银行的主要业务、演变、理论的研究，分析其中的利与弊，剖析现如今投资银行所面临的问题，及其问题形成的主要原因，为投资银行所体现出的问题找到行而有效的解决办法。投资银行如果想要金融危机的影响降到最小化就必须从根本上，从内向外的进行改革和转变。这样，投资银行将迎来一个发展的新春天。关键词：投资银行金融危机金融业Content1.Theintroductionofinvestmentbanks.......................................................................................11.1Meaning.............................................................................................................................11.2Mainbusiness....................................................................................................................21.3Developmentprocess........................................................................................................31.3.1Openupnewbusiness............................................................................................31.3.2Developmentprocess..............................................................................................31.3.3Developmentmodes...............................................................................................42.Thefinancialcrisisin2008andthedevelopmentofinvestmentbanks..................................52.1Theimpactoftheinvestmentbankstothefinancialcrisis............................................52.1.1Lever.......................................................................................................................52.1.2TheCDScontract...................................................................................................52.1.3TheCDSmarket.....................................................................................................52.1.4Sub-prime...............................................................................................................52.1.5Sub-primecrisis.....................................................................................................62.2Theimpactofthefinancialcrisistotheinvestmentbanks............................................62.2.1Generalsituationoftheloss..................................................................................62.2.2Measuresofthegovernment.................................................................................72.2.3Thecapitalmarket........
