You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: display_ticker.rb
    path of file: ./repos/hyperstack/ruby/examples/misc/stock-tickers/app/hyperstack/components
    
    the code of the file until where you have to start completion: class DisplayTicker < HyperComponent

  param :symbol  # access the current value through the symbol method
  fires :cancel  # this is an outgoing event.  You fire it by calling cancel!

  # when the component mounts (is created) we crea
    
  def status
    case @_ticker.status
    when :loading
      BS::Col(sm: 10) { 'loading...' }
    when :success
      BS::Col(class: 'text-right', sm: 3) { 'price' }
      BS::Col(class: 'text-right', sm: 3) { '%.2f' % @_ticker.price }
      BS::Col(sm: 4) { "at #{@_ticker.time.strftime('%I:%M:%S')}" }
    when :failed
      BS::Col(sm: 10) { "failed to get quote: #{@_ticker.reason}" }
    end