Merck & Co., Inc. (NYSE:MRK) is included among the 13 Best Consistent Dividend Stocks to Buy Now. Resilience in Healthcare: How Merck (MRK) Maintains Consistent Dividends Through Market Uncertainty Merck & Co., Inc. (NYSE:MRK), one of the largest pharmaceutical firms, faces investor concerns as key patents near expiration and much of its revenue depends on its cancer drug Keytruda. While such challenges are common in the industry, the company’s strong R&D and ability to acquire smaller firms provide stab ...