The degree to which two variables are correlated. That is, covariance is the measure of how much two variables are related to one another. It is important in security analysis to determine how much or how little price movements in two companies or industries are connected.
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Video gaming in the United States. Video gaming in the United States is one of the fastest growing entertainment industries in the country. According to a 2010 study released by the Entertainment Software Association, the computer and the video game industry added US $4.9 billion to the economy of the United States.