After the headache-inducing bout of hacking woes that beset the corporation in recent weeks, a new Department of Justice-led investigation into Sony's US electronics division may have the company emptying that aspirin bottle. Details of the inquiry are scarce at the moment, but with the company's cooperation confirmed, all signs lead to an alleged price fixing of its rechargeable battery business. Citing data from a Tokyo-based research firm, a Bloomberg report indicates that a 2010 market surplus had Sony Electronics (amongst others) lowering battery prices at the e