 CLEVELAND, OHIO--BUSINESS WIRE--Park-Ohio Holdings Corp. NASDAQ: PKOH today announced its results for the first quarter of 2021. FIRST QUARTER CONSOLIDATED RESULTS Net sales were 359.6 million in the first quarter of 2021 compared to net sales of 366.3 million in the first quarter of 2020. Net income attributable to ParkOhio common shareholders was 5.5 million, or 0.45 per diluted share, in the first quarter of 2021, compared to 1.2 million, or 0.10 per diluted share, in the first qua 