overvalue

tr.v., -ued, -u·ing, -ues.
To assign too high a value to: overvalued the painting.

overvaluation o'ver·val'u·a'tion n.

A stock with a current price that is not justified by its earnings outlook or price/earnings (P/E) ratio and, therefore, is expected to drop in price. Overvaluation may result from an emotional buying spurt, which inflates the stock's market price, or from a deterioration in a company's financial strength.

Investopedia Says:
Investors may be willing to pay more for stocks with superior growth potential, but they don't want to overpay for a company with growth prospects that don't justify its current market price. One way to determine whether a stock may be overvalued is to look at the price-to-earnings-to-growth (PEG) ratio. For example, a stock is generally considered to be fairly valued if the PEG ratio is 1 (which means the P/E ratio equals the estimated earnings growth), and possibly overvalued if the PEG is more than 1.

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From a tulip craze to a dotcom bubble, read the cautionary tales of the stock market's greatest disasters. The Greatest Market Crashes
The P/B ratio can be an easy way to determine a company's value, but it isn't magic! Value By The Book

Description of a stock whose current price is not justified by the earnings outlook or the Price/Earnings Ratio . It is therefore expected that the stock will drop in price. Overvaluation may result from an emotional buying spurt, which inflates the market price of the stock, or from a deterioration of the company's financial strength. The opposite of overvalued is Undervalued. See also Fully Valued.

Dansk (Danish)
v. tr. - overvurdere

Nederlands (Dutch)
overwaarderen

Français (French)
v. tr. - (Écon, Fin) surévaluer

Deutsch (German)
v. - überbewerten

Ελληνική (Greek)
v. - υπερεκτιμώ

Italiano (Italian)
sopravvalutare

Português (Portuguese)
v. - superestimar

Русский (Russian)
переоценивать

Español (Spanish)
v. tr. - sobrestimar, supervalorar

Svenska (Swedish)
v. - övervärdera

中文（简体）(Chinese (Simplified))
估价过高, 估计过高, 过分尊重

中文（繁體）(Chinese (Traditional))
v. tr. - 估價過高, 估計過高, 過分尊重

한국어 (Korean)
v. tr. - 과대평가하다

日本語 (Japanese)
v. - 買いかぶる
n. - 過大評価

العربيه (Arabic)
‏(فعل) يبالغ في التقييم‏

עברית (Hebrew)
v. tr. - ‮היה בעל דיעה טובה מדי על, העריך יותר מדי את‬

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