Update app.py

app.py

@@ -31,6 +31,7 @@ COMPANY_TICKERS = {
     'Zscaler': 'ZS',
     'Constellation Software': 'CNSWF', 
     'Oracle Corp': 'ORCL',
+    'Automatic Data Processing': 'ADP',
     'SAP': 'SAP',
     'Workday': 'WDAY'
 }