code: public static Map<String, Stock> get(String[] symbols, Interval interval) throws IOException {
          return YahooFinance.getQuotes(Utils.join(symbols, ","), HistQuotesRequest.DEFAULT_FROM, HistQuotesRequest.DEFAULT_TO, interval);
      }
docs: Sends a request for multiple stocks with the historical quotes included
  from the past year,
  at the specified interval. (DAILY, WEEKLY, MONTHLY)
  <p>
  The latest quotes will be retrieved in a single request to Yahoo Finance.
  For the historical quotes, a separate request will be sent for each requested stock.
  The returned Map only includes the Stocks that could
  successfully be retrieved from Yahoo Finance.
  
  @param symbols               the symbols of the stocks for which you want to retrieve information
  @param interval              the interval of the included historical data
  @return                      a Map that links the symbols to their respective Stock objects.
  @throws java.io.IOException when there's a connection problem