For long term investors, what are exactly the factors that can...

For long term investors, what are exactly the factors that can keep sustainable growth for BIG. I understand expanding into US market definitely brings revenues, but how long will that last and what exactly are making people think BIG will achieve sustainable growth in the long term? Does BIG have any technology or strength that are scarce and can not be replaced ? To short term investors, the hype has helped them to grab some profits looking at the growth in the past month.