Stone had hesitated doing a sequel to one of his most popular films ("You can never go back in time, set foot in the same river twice, you know?"). But more than two decades after the first "Wall Street," the excesses of the financial world still seem timely. He told Kate Couric the bubble of the 1980s is a recurring phenomenon: "We've seen bubbles all my life. In 2000 you saw the bubble with the Internet, and then you saw another bubble with real estate. I've seen four bubbles, big bubbles now. I think to a certain degree, we are a bubbled economy. What the next bubble is, we'll see."