Many investors clearly believe this growth company can sustain its upward trajectory.Earlier this month, shares of advertising technology (adtech) company The Trade Desk (TTD 0.30%) hit $100 per share. It wasn't an all-time high -- the company hit that in late 2021. But it was the highest the stock has been in two years, which is exciting.The Trade Desk stock is a little off its high as of this writing. But shares have climbed steadily in recent years, thanks to outstanding business growth. The company's re ...