Key Points Lowe's is investing in its professional services to accelerate revenue growth and expand margins. Contractors and tradespeople spend more money with the chain than do-it-yourself customers. Slow revenue growth and significant long-term debt could continue to tighten its margins in the short run. 10 stocks we like better than Lowe's Companies › Lowe's (NYSE: LOW) stock is essentially flat year to date, while the S&P 500 has roared ahead with a 16% gain. The home improvement company has ...