Looking to upgrade your TV for the World Cup? Just before the World Cup Workit software researched the prices of 4K UHD TVs with 3D on the following brands: LG,PHILIPS,SAMSUNG,SHARP,SONY,TCL,THOMSON and TOSHIBA.  Using the WorkIt Analytics software a frequent and high varied price changes can be observed over the last 14 days on the following websites: AMAZON, CDISCOUNT, RUEDUCOMMERCE and CONFORAMA.