Warp.....lol Dave Ramsey would also say never ever ever invest in a single security its too risky! Invest in a mutual fund with a 12 percent return since inception. Also if AMBS sold out for 4 dollars a share tomorrow and I called in and told Dave im now a millionaire he would call it a "big fish story". Unless we are acquired in ten years I will definitely have the shares in my ROTH.