Investors fear that the dispute between Elon Musk and President Donald Trump "will stop their friendship and change the regulatory environment for Tesla on the autonomous front over the coming years under the Trump administration,

The relationship between Elon Musk and President Donald Trump appears to have entered a new phase of pronounced tension and public disagreement.

Year to date, Apple ( AAPL -0.14%) and Tesla ( TSLA -3.21%) have been the two worst-performing "Magnificent Seven" stocks, notching losses of 19% and 15%, respectively. But Wall Street expects Apple shares to rebound in the coming months while Tesla shares fall even further, as detailed below: