Key Takeaways Tesla shares rose close to 4% Friday amid a broader market rebound, but posted losses for the eighth week in a row, with some Wall Street analysts expecting further declines.Wells Fargo and JPMorgan analysts said they expect the stock could lose roughly half its value again,

"As a traditional investor, it doesn't fit any valuation system that makes any sense compared to any other stock," Ross Gerber said of Tesla.

Elon Musk 's net worth has dropped by more than $144 billion since December, according to a report.