Ethereum's market cap has surged to $307.91 billion, surpassing Coca-Cola and Alibaba.ETH price increased by 42% in five days, reaching $2,550.The Pectra upgrade on Ethereum's mainnet enhanced layer-2 scaling and validator efficiency, contributing to the price surge.Investor trust in Ethereum has been restored after the successful Pectra upgrade, which addressed user experience and operational efficiency concerns.