Smaller rival AMD has long accused it of unfair practices
                                
                                
                                    (Newser) -
                                    The FTC has opened a formal investigation of Intel over allegations of monopolistic business practices, the Wall Street Journal reports. The world's biggest semiconductor company, which denies any wrongdoing, received a subpoena this week. Intel also learned that it faces a $25.4 million antitrust fine from South Korea, even...