There's an old saying: "He who hesitates is lost." This is one of the best rules to use when investing.
Professor Lasse H. Pedersen of New York University wrote a book on the liquidity crisis titled When Everyone Runs for the Exit. He uses a poker analogy in which the player who has decided to either fold early or stay in for the kill makes the most money. The player who hesitates loses the most money.
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