Market capitalization of AEO increased by 47.89% over the past 1 year. The primary factor behind the change was an increase in P/E Change from 16.93 to 22.73.
The secondary factor is the Margin Expansion, contributed 7.89%to the performance.
Overall, the performance of AEO in the past 1 year is driven by P/E Change. Which is more unsustainable.