The cost of a good or service.

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6
votes
4answers
415 views

When is a good time to invest in gold? In what situations is the price of gold likely to drop?

When is a good time to invest in gold? What are situations likely to trigger a drop in gold prices? What are alternatives to gold?
9
votes
3answers
6k views

How does a dealer (or market maker) earn the bid-ask spread on a stock?

If I am correct, dealers purchase assets for their own accounts, and later sell them for a profit from their inventory. But the spreads is the difference between buy (or "bid") prices and sell (or ...
64
votes
12answers
18k views

In the stock market, why is the “open” price value never the same as previous day's “close”?

This is something that is mind-boggling to me, and it is particularly obvious in candlestick graphs: Why is the open value never the same as the previous day's close value? This is something I just ...
2
votes
4answers
5k views

Is there a mathematical formula to determine a stock's price at a given time?

I have been trying to find exact information on how stock prices are determined but still I haven't found any exact mathematical formulas how it happens. Wikipedia states: When prospective buyers ...
6
votes
1answer
422 views

Who sets the price and provides the quoted price values for stocks?

I somewhat understand that the price of stocks is determined by the market, but who exactly changes those prices that we see listed on Yahoo! Finance for example? If I own a share in a company listed ...
6
votes
4answers
422 views

Got a large cash sum, wanna buy stocks. Should I buy all at once, or spread it over time?

Suppose that I just received a large sum of money, that I want to use to buy stocks. Is there an advantage to split my stocks purchases over a period of time, to protect me against the risk that ...
2
votes
2answers
94 views

Is the best ask price the ask at the “top” of the order book? What is the “top” of the book?

In the level 2 book from BATS with live data, the right hand part of the page shows the best Bid(s) and the Best Ask(s). Example: How come the best Ask is not at the top of the book? From what i ...