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CBS shares were up as much as 5% following the ruling, with Disney gaining as much as 1.6% and Fox gaining 2%.
The Court found that Aereo's service violated the copyrights of live network TV stations.
For $8 per month, Aereo let users stream live network TV over the internet to a connected device like a smartphone, tablet, or PC.
This is a huge ruling for the TV industry, and this post will be updated as developments roll in during the day.