Market capitalization of KLAC increased by 91.72% over the past 1 year. The primary factor behind the change was an increase in P/E Change from 21.83 to 37.95.
The secondary factor is the Revenue Growth, contributed 12.96%to the performance.
Overall, the performance of KLAC in the past 1 year is driven by P/E Change. Which is more unsustainable.