just from the research ive done, and believe me in no way an expert on finance at all,
but what i do understand and what many people have said is that wallstreet invests in corporations or companys and they put pressure on the corporations to make more money after every year, they are told to make more money.. so the companys or corporations, have to cut wages, benefits,pension funds, or send jobs over sea's to make the amount of money wallstreet wants em to....

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"the loudest one in the room is the weakest"- frank lucas..