Why Investors Should Hold Out for a Sky-High Price

A bidding war for Fox doesn’t rule out one for European pay TV leader Sky

Sky could end up the consolation prize in the battle for Fox. But that doesn’t mean it won’t fetch a blockbuster price.

Shares in the European pay-TV giant, which has received rival bids from Fox and Comcast this year, slipped almost 2% Wednesday. This followed news late Tuesday that AT&T and Time Warner will be allowed to merge, which was followed by Comcast’s big bid for Fox on Wednesday.

Investors’...