ISIN: US0543031027 [[File:OOjs UI icon edit-ltr-progressive.svg|frameless|text-top|10px|alt=Edit this on Wikidata|link=https://www.wikidata.org/wiki/Q791285?uselang=en#P946|Edit this on Wikidata]]
- boerse.de
- Boersentreff.de
- Börse Berlin
- Börse Düsseldorf
- Börse Frankfurt
- Börse München
- Börse Stuttgart
- comdirect.de
- Consorsbank
- DKB
- Finanzen.net
- Finanzfluss.de
- FinanzNachrichten.de
- Godmode-Trader.de
- Goyax.de
- ING
- ISIN.org
- London Stock Exchange
- LS Exchange
- Morningstar
- NYSE: New York Stock Exchange
- Onvista.de
- Parqet
- Prague Stock Exchange
- Scalable Broker
- SIX Swiss Exchange
- Tradegate
- wallstreet-online.de
- Wiener Börse
- portrait
- Yahoo Finance (de)
- Investing.com (de)