 HERCULES, Calif.--BUSINESS WIRE--Bio-Rad Laboratories, Inc. NYSE: BIO and BIOb, a global leader of life science research and clinical diagnostic products, today announced financial results for the fourth quarter ended December 31, 2020. Fourth-quarter 2020 net sales were 789.8 million, an increase of 26.5 percent compared to 624.4 million reported for the fourth quarter of 2019. On a currency-neutral basis, quarterly sales increased 24.4 percent compared to the same period in 2019. Fourth 