In December NUMBER@1 Nvidia , along with its main rival in the graphics industry ORGANIZATION@1 -LRB- which acquired ORGANIZATION@2 -RRB- , received subpoenas from the ORGANIZATION@3 regarding possible antitrust violations in the graphics card industry .

In December NUMBER@1 ORGANIZATION@4 , along with its main rival in the graphics industry ORGANIZATION@1 -LRB- which bought ORGANIZATION@2 -RRB- , received subpoenas from the ORGANIZATION@3 regarding possible antitrust violations in the graphics-card industry .
