我们知道了什么是股票和股票交易所,是否就可以立即做股票生意呢?且慢!对每个买卖股票的人来说,还有一个很重要、同时也很难做的事情——决策,首先要决定应该买或卖哪一种股票,其次要决定对某种股票现在是买还是卖或者还需要等待。任何一个决策都需要事先分析各种主要的信息。谁来提供信息呢?朋友、同事、报刊和咨询公司以及银行等,都可以提供各种有关的股票行情, We know what stocks and stock exchanges are, whether they can immediately do stock business? And it is slow! For every person who buys and sells stocks, there is also a very important and difficult thing to do - decision making, first of all To decide which stock should be bought or sold, the second decision is whether to buy or sell a certain stock or wait. Any decision requires prior analysis of all major information. Who will provide information? Friends, colleagues, newspapers and consulting companies, banks, etc., can provide all kinds of relevant stock quotes.