Ethereum price surged above $2,720 but is now correcting gains and might test the $2,500 support zone.A short-term declining channel or bullish flag is forming with resistance at $2,630 on the hourly chart of ETH/USD.If Ethereum fails to clear the $2,630 resistance, it could start a downside correction towards $2,500 support level.Major support is at $2,575, while the major resistance lies at $2,680 for Ethereum price.