You can be in deep water, for example, if you invest in stocks without knowing anything about the stock market.

VOA: special.2009.05.10

It sets the mean to 0, for s in stocks and then for s in the stocks, it moves it, giving it the bias and the momentum, then it shows the history.

它会让平均值等于，然后，它会改变它们的值，给它一个偏向值和股价势头值，然后它就会显示历史。

麻省理工公开课 - 计算机科学及编程导论课程节选

Indexed portfolios, you basically say, I want to own all of the stocks that there are, and if the stock market goes up, I make money, if the stock market goes down, I lose money.

指数化资产组合，使之我拥有这些股票，如果股市走高，那么我就赚钱，如果股市走低我就赔钱。

麻省理工公开课 - 计算机科学及编程导论课程节选

I did not make a killing in the stock market when my stocks increased in value.

VOA: special.2009.10.18

He shorted the stocks or whatever to benefit.

他在股价上升时做空股票去赢利

耶鲁公开课 - 金融市场课程节选

One sign is that the Standard & Poor's list of five hundred stocks has risen more than twenty-five percent in the past five weeks.

VOA: special.2009.04.17

With a different volatility for the stocks because that was also selected randomly, plus some market bias.

或者均匀分布的一个随机值,因为数值选择上的随机性，再加上市场偏好。

麻省理工公开课 - 计算机科学及编程导论课程节选

In the United States, stocks have been falling since April on concerns about the recovery.

VOA: special.2010.07.02

And then computes the mean of, getting me the mean of all the stocks in it.

然后再计算平均值，所有股票的平均值。

麻省理工公开课 - 计算机科学及编程导论课程节选

Financial stocks lost the most. Some lawmakers criticized the lack of details.

VOA: special.2009.02.13

There's also commercial real estate, which is smaller than owner-occupied homes, but we own that indirectly too, as a people, through the stocks that we own and through the institutions we participate in.

除此之外还有商业地产市场,它比自有住房市场要小,但人们也可以间接持有商业房产,人们可以通过持有股份,及参加一些机构的方式来持有商业地产

耶鲁公开课 - 金融市场课程节选

The plan involves the Standard and Poor's list of five hundred stocks.

VOA: special.2010.05.21

Underlying this analysis, we have estimates of the expected returns on assets, notably, the expected returns on stocks and bonds.

凭借这个分析，我们可以估算出资产预期投资收益，特别是股票和债券的预期收益。

耶鲁公开课 - 金融市场课程节选

Financial stocks have had some of the largest gains.

VOA: special.2009.04.17

They may fluctuate wildly, but if I look at enough stocks, the average should be right around 100.

他们可能会有很大的改变，但是如果我看过足够多的股票，平均值还是应该在100左右。

麻省理工公开课 - 计算机科学及编程导论课程节选

But stocks recovered strongly for the year.

VOA: special.2010.01.01

The market portfolio is, if you took all the stocks and bonds, and oil, and real estate, anything that's available to invest in, in the whole world, put them all together in one portfolio.

市场组合则是，假设你在全世界范围内购买了所有，能够投资的股票，债券，石油和房地产，将他们放在同一个投资组合里。

耶鲁公开课 - 金融市场课程节选

"There were bluefin tuna in the good old days in Brazil but those stocks were fished out and they are gone."

VOA: standard.2010.03.04

I computed the returns on the stocks, bonds, and oil for every year from 1983 and I computed the average returns, which I take as the expected returns, I took the standard deviations, and I took the covariance.

我计算了从1983年以来每年的股票,债券和石油的收益，从而得出平均收益率，这些平均收益率作为预期收益率，然后算得标准差及协方差。

耶鲁公开课 - 金融市场课程节选

The European debt crisis continues to hammer global stocks as fears grow that Europe's problems could have a wider impact.

VOA: standard.2010.05.21

That's got the lowest possible standard deviation of expected return and that's 25% stocks and 75% bonds with this sample period.

这个组合预期回报的标准差最小,在这一点上，投资组合,由25%的股票和75%的债券构成。

耶鲁公开课 - 金融市场课程节选

Japanese stocks fell Wednesday, a day after the central bank approved a new lending program to boost the country's stagnant economy.

VOA: standard.2009.12.03

I also have up on the website some questions that I asked investors about what they think about picking stocks.

我在网站上也上传了一些思考题,是我曾经问过一些投资者的问题,他们怎样挑选股票

耶鲁公开课 - 金融市场课程节选

Initial news of the BOJ's emergency meeting on Tuesday raised hopes of an interest rate cut, and stocks rose immediately after the BOJ's announcement Tuesday.

VOA: standard.2009.12.03

They show the expected return on stocks versus bonds or short-term debt for a whole range of countries.

他们对这些国家的股票预期收益与,国债或者短期债券作出比较。

耶鲁公开课 - 金融市场课程节选

The stock market gave a resounding vote of confidence to the Geithner plan as stocks rallied by nearly seven percent, their biggest one-day gain since October.

VOA: standard.2009.03.24

I guess you've already looked at Stocks for the Long Run; you've seen 200 years worth of data.

我想你们已经读过《股市长线法宝》,见过长达200年的数据

耶鲁公开课 - 金融市场课程节选

Asian and European stocks were up, Tuesday,following news of the restructuring.

VOA: standard.2009.12.02

It surprises many people that stocks have paid such an enormous premium over the return on short-term debt.

很多人没有想到的是,股票相比短期债券而言,存在一个巨大的溢价。

耶鲁公开课 - 金融市场课程节选

The pink line takes two assets, one is stocks and the other is bonds, actually government bonds.

粉色线包含两种资产的投资组合，一个股票，另一个是债券，实际上是政府债券。

耶鲁公开课 - 金融市场课程节选