Update app.py

app.py

@@ -105,7 +105,7 @@ def fetch_articles(ticker):
         return [f"Error fetching articles for {ticker}: {str(e)}"]
 
 # allowed tickers
-ALLOWED_TICKERS = {"AAPL", "GOOG", "AMZN", "NVDA", "META",'TSLA','QQQ'}
+ALLOWED_TICKERS = {"AAPL", "GOOG", "AMZN", "NVDA", "META",'TSLA','QQQ','SPY'}
 
 # initialize cache
 sentiment_cache = {ticker: {"article": None, "sentiment": None, "timestamp": None} for ticker in ALLOWED_TICKERS}