 CLEVELAND, OHIO--BUSINESS WIRE--Park-Ohio Holdings Corp. NASDAQ: PKOH today announced its results for the fourth quarter and full year 2020. Matthew V. Crawford, Chairman and Chief Executive Officer, stated, We are pleased to have ended the year with continued strengthening in the performance of our diversified business. Despite the challenges of last year, 2020 will be remembered as the year during which we realigned our business and created a stronger foundation for future growth. Our ar 