Investor Gary Black, who is a managing partner at The Future Fund LLC, has outlined his take on why Tesla, Inc. has been declining for the past eight weeks. Disappointing Deliveries On Thursday, the investor shared why he thought TSLA stock was on the decline in a post on the social media platform X. He said the stock was declining after analysts cut earnings estimates following the automaker’s “disappointing” first-quarter 2026 delivery figures. “TSLA P/E being re-rated down as investors questi