Ad tech firm AppNexus acquires rival Yieldex for $100M+ in cash-and-stock deal Telis Demos / Wall Street Journal : Wall Street Journal 2015-03-19 Telis Demos AppNexus, Telis Demos / Wall Street Journal, Yieldex Related Coverage View article Business Insider View article SiliconANGLE View article AppNexus Presse View article PerformanceIN View article bizjournals View article Adotas View article The Drum