Skullcandy (NASDAQ:SKUL) hit a new 52-week low during trading on Tuesday after an insider sold shares in the company, MarketBeat.com reports. The company traded as low as $5.40 and last traded at $5.50, with a volume of 107,371 shares. The stock had previously closed at $5.53. Specifically, major shareholder Ptarmagin, Llc sold 37,500 shares of […]