Apple finished the calendar year in 2012 with a strong lineup of holiday products, including a (wisely, as it turned out) refreshed iPad lineup that became the top-selling tech gift of the year. From a stock perspective, the last three months have been tumultuous for investors, however even with the recent drop of 27 percent, the company finished the year with a nearly 30 percent gain and is still the most valuable traded company in the world.