One of the most powerful catalysts for any stock is a substantial change in a researcher's price target. That was the dynamic behind the more than 2% gain of European Wax Center (EWCZ 1.94%) on Monday, as an analyst tracking the stock significantly upped her fair value assessment. The stock's rise far outpaced the less than 0.1% increase of the S&P 500 index that day. A 33% price target hikeWell before market open, Citigroup's Kelly Crago made the move. She upped her European Wax Center price target to $6 p ...