Definition of "troughed" [troughed]

• Simple past tense and past participle of trough. (verb)

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• "(i.e. early 1974, early 2000s - which were ultimately not significant troughs) the stock market began to perform well soon after the ROC of the Index "troughed" in a significant manner."
• "Bacchus Partners began investing just before wine prices troughed in early 2009, which probably helps explain its 25%-plus annualized returns."
• "It may be too early to accelerate releases of loan-loss reserves even though credit-card losses appear to have troughed."