Ethereum has crossed the $4,000 mark, signaling a major milestone.Analyst predicts a target range of $6.8K to $8.5K for Ethereum based on Fibonacci retracement levels.Key drivers for Ethereum's growth include Layer 1 revenue growth, Layer 2 competition, and the upcoming Dencun upgrade.Growing institutional interest with $2.6 billion flowing into Ethereum since the launch of Ethereum ETFs in July.