Solana (SOL) struggles to maintain momentum following peak at $183 on May 14, currently testing key support at $166.Solana trading around $169.43, up 0.70%, attempting to defend $166 support amidst unclear price action on the 4-hour chart.Key pivot at $166.82 for Solana, with $177.51 and $183.86 resistance levels identified for potential bullish breakout.Market volume decreasing, new momentum needed to surpass resistance levels. Failure to hold $166 support may lead to retest of $142.25 level.