 NELSONVILLE, Ohio--BUSINESS WIRE--Rocky Brands, Inc. NASDAQ: RCKY today announced financial results for its first quarter ended March 31, 2021. First Quarter 2021 Highlights Net sales increased 57.3 to 87.7 million Wholesale segment sales increased 69.1; Retail segment sales increased 42.0 Gross margin increased 540 basis points to 40.1 Net income increased 278.1 to 4.5 million, or 0.61 per diluted share Adjusted net income increased 344.1 to 8.7 million, or 1.19 per diluted shar 