I found a video of Mark Cuban explaining this:
https://youtu.be/QEoBeIdwuRgDo you think Ethereum has potential to become store of value? Why or why not?
Eth is best coin next to bitcoin and it was deemed to happen. People are investing in both BTC and Eth, thats why we see increase in price and volume to Eth. Since Bitcoin is also used as store of value, same is happening with Eth.