The article explores how different biases affect investors' decisions in the Karachi Stock Exchange. The researchers looked at overconfidence, illusion of control, self-control, and optimism. They collected data from 50 investors and found that all four biases have a significant impact on investment decisions. This suggests that investors in Pakistan are influenced by biases when making decisions about their investments. The study acknowledges limitations like a small sample size and suggests that future research could look at more biases and a larger group of investors.