“Elon Musk failed to capture investors’ imaginations with his latest “master plan” for Tesla Motors Inc., a 1,500-word manifesto laying out lofty ambitions for an integrated solar and battery product and, someday, electric trucks and buses. Tesla shares slid 1 percent to $226.22 at 9:30 a.m. in New York, a collective shrug from shareholders to a plan Musk had been hyping for more than a week. Though Musk’s plan envisions all-new vehicles and an autonomous ride-sharing fleet, the ever-expanding Tesla mission is woefully short on details — particularly how much cash is needed.”