CNN Money is reporting that AMD (ATI) and NVIDIA have received subpoenas from the US DoJ (Department of Justice) due to possible antitrust violations for GPUs and graphics cards. Intel Corporation does not believe they will receive a subpoena even though they manufacturer integrated GPUs. NVIDIA's shares are down 3.92%, while AMD is down 4.08% at this time. You may voice your thoughts about the investigation in
this thread.