The EU revealed last week it had launched the probe over concerns that Gazprom was hindering competition in Bulgaria, the Czech Republic, Estonia, Hungary, Latvia, Lithuania, Poland and Slovakia.
Credit ratings agency cites weak profitability but keeps outlook stable.
A Japanese court found that Samsung did not infringe on Apple's iPhone and iPad patents for some of its own Galaxy smartphones and tablet computer. The three-judge panel also awarded legal costs to Samsung.
Deal part of a series of agreements signed by China and Germany during Merkel visit.
Osaka-based manufacturer looks to tap North American market with $3.7 billion deal.