公司產業變更

沒有資訊也有影響 : = 上市櫃公司產業變更、投資人注意力與市場反應 = Lack of information can also have an impact: Changing industry categories of listed companies, investor attention, and market reaction / by: (Language materials, printed)

投資人注意力

過度反應

Change of company's industry

公司產業變更

Overreaction

Investor attention