Please answer the given financial question based on the context.
Context: performance graph the following graph compares the yearly change in the cumulative total stockholder return for our last five full fiscal years , based upon the market price of our common stock , with the cumulative total return on a nasdaq composite index ( u.s . companies ) and a peer group , the nasdaq medical equipment-sic code 3840-3849 index , which is comprised of medical equipment companies , for that period . the performance graph assumes the investment of $ 100 on march 31 , 2006 in our common stock , the nasdaq composite index ( u.s . companies ) and the peer group index , and the reinvestment of any and all dividends. .
||3/31/2006|3/31/2007|3/31/2008|3/31/2009|3/31/2010|3/31/2011|
|abiomed inc|100|105.89|101.86|37.98|80.00|112.64|
|nasdaq composite index|100|103.50|97.41|65.33|102.49|118.86|
|nasdaq medical equipment sic code 3840-3849|100|88.78|84.26|46.12|83.47|91.35|
this graph is not 201csoliciting material 201d under regulation 14a or 14c of the rules promulgated under the securities exchange act of 1934 , is not deemed filed with the securities and exchange commission and is not to be incorporated by reference in any of our filings under the securities act of 1933 , as amended , or the exchange act whether made before or after the date hereof and irrespective of any general incorporation language in any such filing . transfer agent american stock transfer & trust company , 59 maiden lane , new york , ny 10038 , is our stock transfer agent. .
Question: what is the roi of an investment in abiomed inc from march 2006 to march 2009?


Answer: The answer is:-0.6202