PHOENIX, Feb. 28, 2014 /PRNewswire/ -- Today, Insiderslab.com announced the latest insider trading reports for Facebook (NASDAQ:FB), Apple (NASDAQ:AAPL), Marathon Petroleum (NYSE:MPC), J.C. Penney (NYSE:JCP), Tesla Motors (NASDAQ:TSLA), and Micron (NASDAQ:MU). US stock investors can...