Facebook Inc.'s Instagram announced Tuesday that it would be introducing new features for businesses that use Instagram. The new components include inbox tools that will better filter messages and also allow companies to star messages they wish to return to. Instagram said it will soon test out quick replies so businesses can more easily send back answers to common questions. Instagram is also making it possible for customers of certain restaurants and ticketing services to book within the Instagram app. Facebook's stock is little changed in Tuesday trading but up 18% over the past 12 months, while the S&P 500 is up 11% in that time.