031503 closed Wednesday higher at NT$6.5, an increase of 31.8458% from Tuesday's close, completing a monthly increase of 31.8458% or NT$1.57. Over the past 12 months, 031503 stock gained 273.5632%.
031503 is not paying dividends to its shareholders.
The stock of the company had never split.
The company's stock is traded on 10 different exchanges and in various currencies, with the primary listing on TWSE (TWD).