A U.K. regulator plans to block Microsoft Corp.’s mega-deal for videogame publisher Activision Blizzard Inc., citing the potential for negative impacts on competition in the cloud-gaming market.
The U.K.’s Competition and Markets Authority said Wednesday that it would “prohibit” the merger as it could make Microsoft stronger in the market for global cloud-gaming services. The company already has an estimated 60% to 70% share in this market, the regulator said.
Activision’s…


