Tesla Inc. will provide a highly anticipated technology update on Tuesday when Elon Musk takes center stage at an event the chief executive officer has dropped hints about for months -- and which has helped propel the company’s sky-high valuation.
The “Battery Day” presentation, which follows the annual shareholders meeting, is expected to showcase innovations designed to keep the company’s lead in electric cars as rivals flood the market with new battery-powered vehicles over the next couple of years.