If the price of shares of a stock hits bottom that might be the time to buy it.

VOA: special.2009.09.20

So if you want to buy stock you can call the stockbroker.

如果你要买股票,可以找股票经纪人

耶鲁公开课 - 金融市场课程节选

If you buy stock in a high tech company, that sells things on the internet, you might expect it to fluctuate enormously.

如果你选择买在网上进行销售的，高新技术公司的股票，它可能会变化非常大。

麻省理工公开课 - 计算机科学及编程导论课程节选

He used his stock in General Motors to buy other automobile companies.

VOA: special.2009.10.09

That's misleading because it really doesn't matter when you buy the stock, so you're not supposed to, as a broker, sell dividends.

这是误导,什么时候买股票都没区别,所以作为券商,不应以股利为卖点

耶鲁公开课 - 金融市场课程节选

Then he looks for another stock to buy.

VOA: special.2009.04.26

They'll tell someone, hurry up and buy this stock because it's going to go ex-dividend.

他们告诉买家,迅速买入这支股票,因为它马上要除息了

耶鲁公开课 - 金融市场课程节选

The answer is generally not because if you buy the stock before it goes ex-dividend, you get--you have to pay a higher price, but you get the dividend.

答案一般来说是不用,如果你买了股票,是在除息之前买的,你的买入价高,但能分到红

耶鲁公开课 - 金融市场课程节选

You work for XYZ Corporation; the share is trading at $10 a share; they would give you "At the money" Or "Out of the money" Options -say options to buy the stock at $11 a share.

你在XYZ公司工作,当前股票价格是每股十美元,他们会给你,平价期权或者价外期权,比如以每股十一美元来购买该股票的期权

耶鲁公开课 - 金融市场课程节选