...+ Global trading communication systems, compliance solutions, and network services provider IPC Corp. faces narrowing covenant headroom following weaker-than-expected operating performance and continued covenant step-downs. + We are placing our ratings on IPC Corp. on CreditWatch with negative implications. + We intend to resolve the CreditWatch placement in the coming months as more information becomes available regarding the company's second-quarter financial results and plans to address ongoing covenant step-downs. NEW YORK (S&P Global Ratings) Feb. 23, 2017--S&P Global Ratings today said it placed its ratings, including the 'B' corporate credit rating, on Jersey City, N.J.-based IPC Corp. on CreditWatch with negative implications. "The CreditWatch placement reflects the potential for a covenant breach of the company's first-lien net leverage covenant over the near term," said S&P Global Ratings credit analyst William Savage. On March 31, 2017, the covenant will step down to 4.25x from...