human
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 |
.
Please compute the result.
what was the value of the alexion pharmaceuticals inc . in march?
assistant
108.38
human
and what was it in february?
assistant
100.0
human
what was, then, the change over the year?
assistant
8.38
human
and how much does this change represent in relation to that value in february, in percentage?
assistant
0.0838