mixmotiveInvesting In S&P Global Earnings season has begun. Amidst thousands of quarterly reports and earnings calls that need to be scrutinized, I will pay close attention to a few sectors, and credit rating agencies are among my top priorities. In this article, we will look at Standard & Poor's (NYSE:SPGI), one of the latest additions to my portfolio, with a 4% weighting. In fact, in addition to being part of an oligopoly (or, as many think, a duopoly) and having an endurable moat (the company is entr ...