Ross Gerber, an early Tesla investor, predicted a 50% fall in Tesla stock by 2025, and it has already dropped 31% since then.Gerber does not anticipate a rebound for Tesla stock this year, despite the recent losses.Gerber, who reduced his firm's Tesla stake by 31% in 2024, believes Tesla stock is still too expensive to invest in.Earnings are crucial for Tesla stock to rebound, according to Gerber, but he sees challenges in achieving significant earnings growth.Gerber points out that Tesla's high valuation, Musk's political controversies, and the used-car market issues contribute to the stock's struggles.Tesla faces challenges in the used-car market due to the durability of its vehicles and declining values, impacting consumer purchasing decisions.Gerber emphasizes the importance of Tesla's growth prospects being revalued in the current economic environment.The quality of Tesla products, akin to the 'Apple problem,' may affect repeat purchases and contribute to the challenging market dynamics.Gerber highlights the pressure on Tesla's valuation amid economic uncertainties and changing investor perspectives.Overall, Gerber maintains a skeptical view of Tesla's stock and believes the company faces significant hurdles to warrant investment.