Problem updating all stocks...

Admin Index View

# As the method, I have tried :put and :update.
= button_to 'Update all quotes', admin_panel_path, :method => :put

Admin Stocks Controller

  def update
    @symbol_list = Array.new
    stocks = Stock.all
    stocks.each do |stock|
      @symbol_list << stock.symbol
    end
    YahooFinanceIntegrator.get_quotes(@symbol_list)
    redirect_to admin_panel_path, :notice => "Stocks successfully updated!"
  end

Yahoo Finance Integrator

class YahooFinanceIntegrator
  attr_accessor :stocks, :quotes

  def initialize array
    if verify array
      add_quote_for_new_stock array
    else
      verify array
    end
  end

  def verify array
    raise "Must have something to integrate!" if array.nil?
    raise "Must have pass in an actual array!" unless array.is_a?(Array)
    raise "The array must not be empty!" if array.empty?
    true
  end

  def get_quotes array
    y_ext_hsh = YahooFinance.get_extended_quotes array
    y_std_hsh = YahooFinance.get_standard_quotes array
    y_ext_hsh.keys.each do |symbol|
      co_name = y_ext_hsh[symbol].name
      stock = Stock.find_or_create_by_symbol_and_company_name(symbol, co_name)
      quote = Quote.new
      stock.update_attributes( :company_name        => co_name,
                               :symbol              => y_ext_hsh[symbol].symbol )
      quote.update_attributes( :ex_dividend_date    => y_ext_hsh[symbol].exDividendDate,
                               :dividend_pay_date   => y_ext_hsh[symbol].dividendPayDate,
                               :dividend_yield      => y_ext_hsh[symbol].dividendYield,
                               :dividends_per_share => y_ext_hsh[symbol].dividendPerShare,
                               :last_price          => y_std_hsh[symbol].lastTrade,
                               :stock_id            => stock.id )
    end
  end

  def add_quote_for_new_stock(array)
    @symbol_list = Array.new
    array.each do |symbol|
      @symbol_list << symbol
      Stock.create( :symbol => @symbol_list.first.upcase, :company_name => "new_company" )
    end
    get_quotes(@symbol_list)
  end
end