Systems & Software Morning Movers: Pokertek Inc (NASDAQ:PTEK), Multimedia Games Holding Company Inc (NASDAQ:MGAM), IPG Photonics Corporation(NASDAQ:IPGP)By Lisa BoweApril 30, 2014 Pokertek Inc (NASDAQ:PTEK) shares were higher over 33% in recent trade after saying Multimedia Games Holding Company Inc (NASDAQ:MGAM) has agreed to…