there's a bid-ask spread. when more people sell than buy,
所有跟贴·加跟贴·新语丝读书论坛
送交者: Enlighten 于 2008-10-07, 16:28:53:
回答: naive Q: who decides rise or fall of stocks? 由 kma 于 2008-10-07, 15:52:55:
the bid will be lower than the spread, driving down the price, vice versa.
所有跟贴:
加跟贴