String[] selectedColumnsArray = StringUtils.stringToArray(columns, ",");
String sort = PortletConfigState.getParameter(portlet, rundata, SYMBOLS, "Symbol");
// Request stock quote(s) from the stock quote web service
String[] symbolArray = StringUtils.stringToArray(symbols, ",");
StockQuote[] quotes = service.fullQuotes(symbolArray);
// Place appropriate objects in Velocity context
context.put(QUOTES, quotes);
context.put(SELECTED_COLUMNS, selectedColumnsArray);
context.put(COLUMNS, columns);