 In a historic first, KMEX Channel 34, became the first Spanish-language television station ever to outperform English-language network stations likes the (NBC station KNBC, CBS station KCBS-TV, ABC station KABC-TV and Fox station KTTV), and challenged what had been Telemundo's national competitive edge against Univision.Univision increased its advertising rates and subsequently was able to acquire KXLN, the first Spanish-language television station in the Houston market.Perenchio also invested $37 million, in conjunction with Telemundo and A.C. Nielsen, to develop the National Hispanic Television Index to track viewership in Spanish language markets.