By Elias Schisgall Shares of Apple fell after Nikkei Asia reported that the company is facing setbacks in the engineering test phase for its foldable iPhone, citing people briefed on the matter.... By Elias Schisgall Shares of Apple fell after Nikkei Asia reported that the company is facing setbacks in the engineering test phase for its foldable iPhone, citing people briefed on the matter. Shares were down 4.4% to $247.43 in Tuesday morning tra... [556 chars]