Questions tagged [stock-market]

Markets in which ownership stakes of firms (e.g. stocks/shares) can be traded.

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How is after market tradings inserted in stock market graphs?

When I open a stock market graph tool such as Metastock and enter in the intra-day periodicities, I can never found the data related to the after market operations. I know (by observation) that when ...
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2k views

Finding the covariance of a stock portfolio

So my question goes like this, I have the returns of 3 different stocks AAPL, NKE and BBRY I make 4 portfolios out of them as follows: and the question asks me to compute the correlation coefficient ...
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1answer
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Introductory or Primer text on Economics?

I've been meaning to learn more about economics, and am looking for an introductory text or a primer on the topic. I've already taken a subject on this back in high school, but I guess what I'm ...
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1answer
401 views

Normalizing comparisons of corporations and countries

When publicly-traded corporations reach record valuations, articles in the media often compare such valuations to the GDPs of countries throughout the world, typically in the form "Company X's ...
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1answer
215 views

Do large public companies ever “quit while they're ahead”?

Large public companies (e.g. S&P 500) seem to end their lives in one of two ways: either they're acquired (or taken private), or they go bankrupt. Theoretically it seems like there should be a ...
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1answer
257 views

Is the S&P 500 now in a boom-bust cycle?

This question was originally posted at money.stackexchange but was moved here per a commentor's suggestion after the question was put on hold for being opinion-based. The original question was: ...
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2answers
69 views

Effect of information on stock indices

The rules for including a stock in indices such as S&P 500 are common knowledge, so everyone can know when e.g. company B is going to enter the index instead of company A. Since ETFs and mutual ...
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1answer
7k views

Did JP Morgan mitigate the effects of the Great Depression?

I had heard that, at the start of the Great Depression, JP Morgan and other bankers attempted to prevent the depression by purchasing some of the overpriced stock. Did the actions of JP Morgan and the ...
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1answer
1k views

What are the effects of the increase/decrease in stock options after an IPO?

Research : As far as I can understand : Stock options are used to increase the capital of companies to realize some projects Shares are divided into two categories : o Free float (which is the ...

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