Facebook’s WhatsApp was fined €225 million ($267 million) by Ireland’s Data Protection Commission for breaking data protection rules. According to the Irish news service RTE, that’s the largest fine the DPC ever imposed, and the second largest penalty levied under European Union data laws. WhatsApp said it will appeal the decision, according to RTE. Read full story.

Market Pulse Stories are Rapid-fire, short news bursts on stocks and markets as they move. Visit MarketWatch.com for more information on this news.