SAN DIEGO - A California federal judge on Aug. 12 partially certified a state class of retail employees alleging that their wages were improperly calculated but denied certification to a nationwide class (Gina Balasanyan, et al. v. Nordstrom, Inc., et al., No. 11-2609, Gina Maraventano, et al. v. Nordstrom, Inc., et al., No. 10-2671, S.D. Calif.; 2013 U.S. Dist. LEXIS 113630).