Apple is expected to unveil a slate of new and updated devices on Wednesday, including its long-rumoured foldable iPhone, as the technology giant holds its annual late-summer hardware event in Cupertino, California.The event will mark the first major product launch under new Chief Executive Officer John Ternus, who took over from Tim Cook on September 1 after more than a decade at the helm.Also Read: Apple’s $2,000-plus foldable iPhone was a decade in the makingTernus, 51, joined Apple in 2001 as part of its design team and rose through the ranks to lead the engineering teams responsible for the company's…