Investment Bubbles occur when market prices soar far in excess of what normal and rational analysis would suggest. Which of the following statements is NOT true about investment bubbles?: Select one: a. Bubbles can form over weeks, months, or even years. b. Because Crashes are sudden, the market generally recovers within a few weeks. c. When a bubble pops, investors find themselves holding assets with plummeting values. d. They are often followed by a Crash, that is a significant and sudden drop in market values