isolated gain in a weak market
Financial term for a stock, currency, or asset that rises alone while the broader market is sluggish or declining. Often contrasted with 独歩高 (どっぽだか), which implies a stronger, more independent surge.
See also: 独歩高 (どっぽだか)
In today's market, a few stocks showed isolated gains.
Amid an overall weak market, only this currency is posting an isolated gain.
Compound of 異彩 (いさい, 'distinctive color/brilliance') and 高 (だか, 'high/rise'), literally 'distinctive rise'. The exact origin as a financial term is uncertain, but it likely emerged in market commentary to describe a lone bright spot.