• CSX Corp. announced Monday that Oscar Munoz was appointed executive vice president and COO. Munoz had been CFO of the Jacksonville-based railroad company since 2003, and he succeeds David Brown as COO. CSX said Brown is no longer with the company but gave no details, other than saying the change is not related to the company’s financial condition, business performance or outlook. Fredrik Eliasson, a 16-year CSX executive, was named executive vice president and CFO to succeed Munoz. CSX also announced fourth-quarter earnings rose 6 percent to $457 million, or 43 cents a share. Revenue rose 5 percent to $2.95 billion.