Buy/Sell Logic Update:
Update the buy and sell logic and move into the dashboard for improve execution accuracy and better understanding

Front Page Improvements:
Updated the frontend landing page with a cleaner layout and make key information easier to access

S&P 500 Performance Comparison:
Change stock comparison feature by displaying performance relative to the S&P 500 in percentage terms. This provides users with a clearer understanding of how individual stocks have performed against the broader market benchmark, making comparisons more intuitive and easier to interpret.