Moody's Investors Service has upgraded CMA CGM S.A.'s corporate family rating (CFR) to B2 from B3 and the company's probability of default rating to B2-PD from B3-PD. Concurrently, the rating agency has upgraded to Caa1 (LGD5/84) from Caa2 (LGD5/80) CMA CGM's EUR325 million and $475 million worth of senior unsecured notes maturing in 2019 and 2017, respectively. The outlook on the ratings is stable. "We have upgraded CMA CGM's rating to B2 to recognize the return of the company…