Market capitalization of MTR decreased by 19.17% over the past 1 year. The primary factor behind the change was an increase in P/E Change from 20.06 to 22.17.
The secondary factor is the Margin Expansion, contributed 9.87%to the performance.
Overall, the performance of MTR in the past 1 year is driven by P/E Change. Which is more unsustainable.