The company has multiple opportunities for better-than-expected revenue growth, according to an analyst tracking its fortunes.S&P Global (SPGI +0.17%) was on the business end of a positive analyst update on Tuesday, and thanks to that its stock landed in the black that trading session. We're not talking a massive leap higher, though; the shares ended the day 0.2% higher, although that was good enough to beat its own S&P 500 index's 0.1% rise.Welcome backThe analyst who authored the update was Joshua Dennerl ...