Under Armour Reports First Quarter Net Revenues Growth of 23% and First Quarter EPS Growth of 20%; R

/PRNewswire/ -- Under Armour, Inc. (Logo: http://photos.prnewswire.com/prnh/20110127/NE37387LOGO ) First quarter apparel net revenues increased 23% to $283 million compared with $230 million in the same period of the prior year, driven by balanced...