Update app.py

app.py

@@ -247,6 +247,7 @@ Finally, it is critically important that you comply with the legal guideline of
             time.sleep(0.07)
 
 def analyze_stock(ticker: str):
+    ticker = ticker.upper()
     fmp_api_key = os.getenv('FMP_API_KEY')
     openai_api_key = os.getenv('OPENAI_API_KEY')
     prompt = generate_gpt_prompt(ticker, fmp_api_key)