/// <summary>
/// Example of detecting price drops larger than 10% in 7 days
/// </summary>
/// <param name="ericUSDStream"></param>
/// <param name="outputConfig"></param>
/// <param name="adapterStopSignal"></param>
private static void bigLooserExample(CepStream<StockQuote> cepStream, Application application)
{
var bigLooserCepStream = (from e1 in cepStream
from e2 in cepStream.ShiftEventTime(e => e.StartTime.AddDays(7))
where e1.FieldID == "Close" && e2.FieldID == "Close"
select new StockQuote()
{
StockID = "ERIC > 10% drop",
FieldID = "Close",
Value = (e1.Value - e2.Value) / e2.Value * 100
}).Where(e => e.Value < -10);
runQuery(bigLooserCepStream, application);
}