1. Added the MACD technical indicator.
2. Added star rating filtering for news.
3. Fixed the stuttering issue when using time fast-forward while holding multiple stocks.
4. The holdings list will prioritize displaying the currently selected stock.
5. Optimized automatic order submission: orders will be paused when time is paused, and no orders will be submitted during the morning and late auction sessions.
6. Optimized order submission: added a price tracking feature that can track the highest price, lowest price, and latest price (via the button next to the stock name).