Who change the prices of shares contained by the stock exchange?

i don't know any point just about stock exchange, so i want to know give or take a few it can anyone guide any book over this so that i swot in haste give or take a few the market

Answers:
Nobody can swing the share prices. They fluctuates because of emergency and supply for respectively stock traded.
seller and buyer
http://www.dummies.com/wileycda/dummiest... - Stock trading for dummies - different exchanges work different ways - some automated, some moving auctions but adjectives are on the original principle of a bid and an ask price
both have it right the price is determined by buyer/seller sentiment.

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