A
Test question analysis: Buying stocks is an investment with high risks and high returns. "Stock trading is like growing grain, sowing in spring, harvesting in autumn, and storing in winter." The word "harvest" focuses on the profitability of investment; "Following the emperor is like accompanying a tiger, and following the banker is like following a wolf." Walking with a wolf has great risks, focusing on the risk. , ①② Correct; buying stocks cannot require the company to return the capital contribution, ③ Wrong; the income from stock investment comes from two parts, one is dividends and dividends, the premise is that the company must make a profit, the other is the price difference caused by the increase in stock prices, the stock price is affected by Affected by many factors, its price fluctuations are highly uncertain, so the statement ④ is wrong. Choose A for this question.