what is the 90 10 strategy 
legendary investor warren buffett proposed the 90 10 strategy in his 2013 chairman s letter to berkshire hathaway shareholders the strategy calls for putting 90 of one s investment capital into low cost stock index funds and the remaining 10 in low risk government bonds 1it differs from many common investing strategies that suggest lower percentages of stocks and higher percentages of bonds especially as the investor gets older alison czinkota investopedia