Kenichiro Yoshida remembers the day—Sept. 17, 2014—that he felt Sony Corp. hit bottom.
Then, as Sony’s newly minted chief financial officer, he was bowing in apology at a press conference because the company had halted its dividend payment for the first time. The maker of the Walkman and the Trinitron television had yet to embrace the internet age. It had no iPhone, no profits and, some thought, no future.
What…
