Apple launches its first foldable iPhone, the iPhone Duo

Apple (NASDAQ: AAPL) has finally released its first folding iPhone, seven years after Samsung Electronics (KRX: 005930) began selling foldable smartphones. The new iPhone Duo opens into a 7.6-inch handset and closes into a smaller 5.4-inch device. Apple says it becomes its slimmest iPhone when unfolded. Buyers get two finishes, star white and night sky....