Market capitalization of BRK.B increased by 11.02% over the past 1 year. The primary factor behind the change was an increase in Margin Expansion from 28.47 to 32.50.
The secondary factor is the Revenue Growth, contributed 2.13%to the performance.
Overall, the performance of BRK.B in the past 1 year is driven by Margin Expansion. Which is more sustainable.