Foto: "<a href="https://www.ccnull.de/foto/a-trader-holding-a-smartphone-with-an-empty-screen-over-the-stock-market-live-graphs/1046937" target="_blank">A trader holding a smartphone with an empty screen over the stock market live graphs</a>" von <a href="https://www.ccnull.de/fotograf/marco-verch" target="_blank">Marco Verch</a> via <a href="https://www.ccnull.de" target="_blank">ccnull.de</a> - <a href="https://www.flickr.com/photos/30478819@N08/51038211042/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>