China Mobile became the most valuable stock among the A-share listed companies on Monday morning beating Kweichow Moutai, as investors bet the mobile network operator will tap new revenue sources amid China's plan to digitize the economy.

On Monday morning, China Mobile's shares soared by more than 4 percent at its highest, with a market value of 2.2 trillion yuan ($319.9 billion), exceeding that of Kweichow Moutai.