2 Profitable Stocks for Long-Term Investors and 1 We Brush Off

2 Profitable Stocks for Long-Term Investors and 1 We Brush Off While profitability is essential, it doesn't guarantee long-term success. Some companies that rest on their margins will lose ground as competition intensifies — as Jeff Bezos said, "Your margin is my opportunity". Profits are valuable, but they're not everything. At StockStory, we help you identify the companies that have real staying power. That said, here are two profitable companies that generate reliable profits without sacrificing growth and one best left off your watchlist. One Stock to Sell: Lockheed Martin (LMT) Trailing 12-Month GAAP Operating Margin: 11.