Manchester United
MANU,
+6.74%
shares rose 5% in early premarket action, and Juventus Football Club rose 7% in Milan, after 12 elite soccer clubs announced the formation of the so-called Super League. Borussia Dortmund
xe:bvb,
which isn't part of the league as yet, jumped 8%. Most of the teams involved in the proposed new league, including Real Madrid and FC Barcelona, are not publicly traded.