Tesla's profit declined by nearly 50% in the Jan.-Mar. quarter due to weakening EV demand in countries like China. Despite this, the U.S. company plans to speed up the launch of new models, including more affordable cars. Hertz, a rental company, faced significant challenges as it reported a wider-than-expected loss and a sharp decline in stock value. The company's struggles were exacerbated by its focus on EVs, leading to substantial financial losses. Ford also experienced a notable decrease in EV revenue from $700 million in Q1 last year to $100 million this year, indicating challenges in the EV market.