Apple Inc. announced Tuesday that its Worldwide Developers Conference will begin on June 4 at the McEnery Convention Center in San Jose. Tickets are available through a lottery system and will cost $1,599. Apple typically unveils its new mobile operating system at the WWDC event and makes other product or software announcements. At last year's WWDC, Apple announced its HomePod speaker as well as the Apple Pay Cash and ARKit software features for the iPhone. Apple shares are up 0.3% in Tuesday trading and up 31% over the past 12 months. The Dow Jones Industrial Average , of which Apple is a component, is up 21% in that time.