we had covered a lot of news on stable coins, you can find here
Japanese, Gemini, IBM and more
http://altcoinalerts.com/gmo-internet-launches-a-japanese-yen-pegged-stablecoin/
http://altcoinalerts.com/gemini-launches-its-stablecoin-gemini-dollar/
http://altcoinalerts.com/ibm-partners-with-stronghold-to-create-stablecoin/