Please answer the given financial question based on the context.
Context: the company 2019s stock performance the following graph compares cumulative total return of the company 2019s common stock with the cumulative total return of ( i ) the nasdaq stock market-united states , and ( ii ) the nasdaq biotechnology index . the graph assumes ( a ) $ 100 was invested on july 31 , 2001 in each of the company 2019s common stock , the stocks comprising the nasdaq stock market-united states and the stocks comprising the nasdaq biotechnology index , and ( b ) the reinvestment of dividends . comparison of 65 month cumulative total return* among alexion pharmaceuticals , inc. , the nasdaq composite index and the nasdaq biotechnology index alexion pharmaceuticals , inc . nasdaq composite nasdaq biotechnology .
||7/02|7/03|7/04|7/05|12/05|12/06|12/07|
|alexion pharmaceuticals inc .|100.00|108.38|102.64|167.89|130.56|260.41|483.75|
|nasdaq composite|100.00|128.98|142.51|164.85|168.24|187.43|204.78|
|nasdaq biotechnology|100.00|149.29|146.51|176.75|186.10|183.89|187.04|
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Question: what is the percent change in the investment into alexion pharmaceuticals between 7/02 and 7/03?
Answer:
0.0838