Merck (MRK) stock merits your attention. Why? Because it offers monopoly-like high margins at a discounted price. Here are some statistics.Revenue Growth: Merck experienced growth of 1.8% LTM and 3.7% over the last 3 years on average.Recent Profitability: Approximately 29.1% operating cash flow margin and 31.2% operating margin LTM.Long-Term Profitability: About 27.2% operating cash flow margin and 22.6% operating margin for the last 3 years on average.Available At Discount: At a P/S multiple of 3.5, MRK st ...