Developed and integrated a CandlestickChart component for the longbridge/gpui-component repository, enabling visualization of financial OHLC data within the existing charting library. The work involved implementing Rust-based data visualization techniques and front end development to support multiple candlestick variations and stock price datasets. Bullish and bearish theming was added to enhance clarity for financial analysts, while documentation and usage examples were updated to reflect the new feature. End-to-end validation was performed using cargo run to ensure reliability and seamless integration. This addition improved the ability of users to analyze and present stock market trends directly within the user interface.