NEW YORK–(BUSINESS WIRE)–Fitch Ratings has assigned a ‘BB/RR4’ rating to ACCO Brands Corporation’s (ACCO) $400 million of eight-year senior unsecured notes. The notes, in combination with internally generated cash and incremental revolver borrowings, will be used to pay down the company’s $500 million of senior unsecured notes due 2020. The proposed refinancing has a modestly positive impact on ACCO’s credit profile, due to an improved maturity ladder and potentially lower interest expense du