$NVIDIA (NVDA.US)$ and $Tesla (TSLA.US)$ Stocks currently oc...

$NVIDIA (NVDA.US)$ and $Tesla (TSLA.US)$ Stocks currently occupy the top two most active positions. Why is that? Most of the funds are moving back and forth between these two. $NVIDIA (NVDA.US)$ It is the AI trend. $Tesla (TSLA.US)$ It is humanity's aspiration for the future (Mars dream).