Many people have never heard of ASML (ASML -2.02%), and fewer could explain what the company does. But chances are that you're within reach of a product that ASML helped create. Modern computers, mobile devices, and even cars wouldn't be possible without one very important thing -- lithography -- and ASML dominates that market.The company's dominance in lithography -- which I'll explain momentarily -- has led to good returns for shareholders over the last decade. ASML stock is up more than 600% during this ...