https://apnews.com/7c3599a7cdd34e5898b357c9a7c808c4 > SEOUL, South Korea (AP) — Samsung Electronics Co. has posted record operating profit for the last quarter with robust demand for its mainstay memory chips compensating for a slowdown in its smartphone business. > The South Korean technology giant on Wednesday said its operating profit during the July-September quarter grew at nearly a 21 percent annual pace to 17.6 trillion won ($15.4 billion).