股市有涨有跌,企业有盈有亏、有发展也有淘汰,这是市场经济的正常现象。象 PT 农商社这样连续4年亏损的公司,今后股市上还有可能出现。现在的问题是,应该从中吸取教训,更加注重上市公司的素质。优胜劣汰是市场经济的基本规律。淘汰机制从本质上讲有利于提高 There are up and down the stock market, companies have profit and loss, there are also developed out, this is the normal phenomenon of a market economy. As PT agricultural and commercial companies such losses for 4 consecutive years the company, the stock market may occur in the future. The problem now is that we should learn from them and pay more attention to the quality of listed companies. Survival of the fittest is the basic law of the market economy. The elimination mechanism is essentially conducive to improvement