Lenovo Chief Executive Officer Yang Yuanqing, shown in his office in Beijing, has vowed to restore the Motorola brand. PHOTO: STEFEN CHOW FOR THE WALL STREET JOURNAL By KATHY CHU and JURO OSAWA Updated Jan. 16, 2017 12:12 p.m. ET 71 COMMENTS When China’s Lenovo Group Ltd. took over fading mobile-phone pioneer Motorola Mobility in October 2014, Chief Executive Yang ... Read More »