diff --git a/indicators.py b/indicators.py
index 43fdb45..b170f22 100644
--- a/indicators.py
+++ b/indicators.py
@@ -857,8 +857,18 @@ if __name__ == "__main__":
             style={'height':'85vh'}
         ),
         dcc.Store(id="signal"),
+        dcc.Interval(
+            id='interval-component',
+            interval=3*1000, # in milliseconds
+            n_intervals=0
+        )        
     ]
 
+    @callback(Output('controls-and-radio-item', 'value'), Input("interval-component", "n_intervals"))
+    def cycle_syms(n):
+        syms=["AMZN", "GOOGL", "AAPL", "SPY"]
+        return syms[n % 4]
+
     @cache.memoize(timeout=14400) # cache timeout set to 4 hours
     def global_store():
         j_obj = intelligent_loop_plots()
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..0767ca9
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,54 @@
+appdirs==1.4.4
+beautifulsoup4==4.12.3
+blinker==1.8.2
+bs4==0.0.2
+cachelib==0.9.0
+certifi==2024.6.2
+charset-normalizer==3.3.2
+click==8.1.7
+colorama==0.4.6
+cssselect==1.2.0
+dash==2.17.1
+dash-core-components==2.0.0
+dash-html-components==2.0.0
+dash-table==5.0.0
+fake-useragent==1.5.1
+feedparser==6.0.11
+Flask==3.0.3
+Flask-Caching==2.3.0
+idna==3.7
+importlib_metadata==8.0.0
+itsdangerous==2.2.0
+Jinja2==3.1.4
+lxml==5.2.2
+MarkupSafe==2.1.5
+nest-asyncio==1.6.0
+numpy==2.0.0
+packaging==24.1
+pandas==2.2.2
+parse==1.20.2
+plotly==5.22.0
+pyee==11.1.0
+pyppeteer==2.0.0
+pyquery==2.0.0
+python-dateutil==2.9.0.post0
+pytz==2024.1
+requests==2.32.3
+requests-html==0.10.0
+retrying==1.3.4
+scipy==1.14.0
+setuptools==70.1.1
+sgmllib3k==1.0.0
+six==1.16.0
+soupsieve==2.5
+tenacity==8.4.2
+tqdm==4.66.4
+typing_extensions==4.12.2
+tzdata==2024.1
+urllib3==1.26.19
+w3lib==2.2.1
+waitress==3.0.0
+websockets==10.4
+Werkzeug==3.0.3
+yahoo-fin==0.8.9.1
+zipp==3.19.2