Tesla jumps 10% as Musk's promise of 'more affordable' cars eases growth fears

Investors had been bracing for the worst after a tumultuous week at Tesla that saw big layoffs, executive exits, price cuts and the postponement of a highly touted meeting with the Indian prime minister. The newly minted plans also helped Wall Street shrug off the company's weak first-quarter results, including a lower-than-expected profit and the first drop in quarterly revenue in nearly four years.