CNBC update: Zimmerman gun auction

4:35 PM ET Thu, 12 May 2016

CNBC's Sue Herera reports the latest headlines including George Zimmerman's online auction of the gun used to kill Trayvon Marton being pulled at the last minute in the morning then reappearing on another site later in the day, and McDonald's testing in 14 Dallas locations making quarter pounders with fresh beef rather than frozen.