So, many portfolio managers might be selling stocks with recent losses in September and October to take advantage of tax breaks, says Scott Gibson, a finance professor at the College of William and Mary who has studied the phenomenon.

WSJ: Is the 'September Swoon' for Real?

Typically the distribution studio will take about 80% of a DVD's gross, but the clout of writer, director and producer Mel Gibson allowed him to cut a special deal with Fox, according to Scott Hetrick, editor in chief of trade magazine DVD Exclusive.

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