Just go off the Eurodam after 28 days.
TV channels included MSNBC, BBC, FOX, Travel, 2 ESPN and one I forgot, but was new to me (I will include it with my trip report). Once in awhile we got some stock "averages" quotes on FOX. The daily When and Where includes some data as well. Lots of other programs were available. Movies and documentaries.
Serious stock data would likely requiring one to pay for expensive an iffy wifi from the ship.