Coaster: A coaster is an investment strategy that involves riding the market wave by taking advantage of short-term highs and lows. This strategy involves buying stocks during bear markets to capitalize on the low prices and selling them when the tide turns in order to gain maximum profits. Investors who use coasters should develop a well-thought-out plan to ensure they maximize their return while minimizing risk. It requires deep insight into the market and a keen eye for identifying opportunities, making it an ambitious but potentially lucrative endeavor.