9. -- Videogame hardware, software and accessory sales in U.S. retail stores fell to $495.2 million in April, a 25% drop from a year earlier, according to research company NPG Group. 10. -- The Powerball jackpot for Saturday's drawing climbed to $550 million, thanks to a nationwide surge in sales. -- Written by Joseph Woelfel >To contact the writer of this article, click here: Joseph Woelfel >To submit a news tip, send an email to: firstname.lastname@example.org.