what is an investment bank 
an investment bank provides services to individuals and businesses to help them increase their wealth investment banking may also refer to a specific division of banking related to capital creation for companies or governments investment banks underwrite new debt and equity securities for all types of corporations aid in the sale of securities and help facilitate mergers and acquisitions the bottom linean investment is a plan to put money to work today to obtain a greater amount of money in the future it is also the primary way people save for major purchases or retirement with stocks bonds real estate or commodities individuals can create a diversified portfolio 