title: Alphavantage and NASDAQ Index stopped working
body: <p>This API call for NASDAQ Composite used to work.  Now it returns just an empty JSON.  <code>{}</code>.  No error message.</p>
  
  <pre><code>https://www.alphavantage.co/query?function=TIME_SERIES_MONTHLY&amp;symbol=IXIC&amp;apikey=your_api_key
  </code></pre>
  
  <p>Other indices seem to work OK eg  <code>DJI</code>, <code>SPX</code></p>
  
  <p>An email to support has not been answered.</p>
  
  <p>Anyone have any more information on this?</p>