C++ Stock Trading Program Update

I need to amend an existing C++ program that simulates stock trading, focusing on enhancing the user interface. The primary areas for modification are the layout and design, as well as the display of trading results. I aim to enhance readability to improve the overall user experience.

Key Requirements:
- Modify the user interface, specifically the layout and design.
- Improve the display of trading results to make them clearer and more accessible.
- Focus on enhancing readability throughout the interface.

Ideal Skills and Experience:
- Strong proficiency in C++ programming.
- Experience in user interface design and development.
- Ability to modernize and improve readability in software applications.
- Familiarity with stock trading simulations or financial software is a plus.