Improve fetching of financial data.

rstat_tool/database.py

@@ -7,6 +7,7 @@ from .logger_setup import logger as log
 from datetime import datetime, timedelta, timezone
 
 DB_FILE = "reddit_stocks.db"
+MARKET_CAP_REFRESH_INTERVAL = 86400
 
 def get_db_connection():
     """Establishes a connection to the SQLite database."""