Input string was not in a correct format.
at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
at System.Number.ParseSingle(String value, NumberStyles options, NumberFormatInfo numfmt)
at System.Single.Parse(String s, NumberStyles style, NumberFormatInfo info)
at System.Convert.ToSingle(String value, IFormatProvider provider)
at Modules_StockQuotation.RenderStockTicker(XmlTextReader textReader)
at Modules_StockQuotation.Page_Load(Object sender, EventArgs e)
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