Maybe/app/views/securities/_combobox_security.turbo_stream.erb

<div class="flex items-center">
  <%= image_tag(combobox_security.logo_url, class: "rounded-full h-8 w-8 inline-block mr-2" ) %>
  <div class="flex items-center justify-between w-full">
    <div class="flex flex-col">
      <span class="text-sm font-medium">
        <%= combobox_security.name.presence || combobox_security.symbol %>
      </span>
      <span class="text-xs text-secondary">
        <%= "#{combobox_security.symbol} (#{combobox_security.exchange_operating_mic})" %>
      </span>
    </div>
    <% if combobox_security.country_code.present? %>
      <div class="flex items-center bg-container-inset rounded-sm px-1.5 py-1 gap-1">
        <%= image_tag("https://hatscripts.github.io/circle-flags/flags/#{combobox_security.country_code.downcase}.svg",
                      class: "h-4 rounded-sm", # h-3 (12px) matches text-xs, w-5 for 3:5 aspect ratio
                      alt: "#{combobox_security.country_code.upcase} flag",
                      title: combobox_security.country_code.upcase) %>
        <span class="text-xs text-secondary">
          <%= combobox_security.country_code.upcase %>
        </span>
      </div>
    <% end %>
  </div>
</div>