Market capitalization of KLAC increased by 89.48% over the past 1 year. The primary factor behind the change was an increase in P/E Change from 21.87 to 37.53.
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.