Customers take a look at an E6 electric car at a BYD Co. dealership in Hangzhou, Zhejiang Province, in this file photo. Shares related to electric vehicles, including those of BYD, a manufacturer of electric cars and batteries, and NavInfo Co., a provider of auto navigation systems, jumped amid speculation they will benefit from Apple Inc.’s entry into the industry. Apple is developing an electric vehicle, people familiar with the matter said yesterday. SD-Agencies