Since my last write-up on Gambling.com ( GAMB ), the stock has had a disappointing performance, dropping by more than 20%. This came as a shock to me since the company shows impressive revenueI'm a self taught equity analyst, I run a consultation firm in South Africa where we help clients with estimating the value of construction projects, over the past 5 years I've been retail investing and learning more about how the stock market works, following the work of Ben Graham and Joel Greenblatt while also learn ...