Key TakeawaysFlooring manufacturer Mohawk Industries reported second-quarter revenue and earnings in line with analysts' expectations.Meanwhile, Bank of America analysts upgraded the stock to "buy" from "underperform," lifting their share-price target.The stock jumped Friday, pulling its year-to-date gain above 50%. Shares of Mohawk Industries (MHK) surged Friday after the company reported second-quarter financial results — and got a bullish pat on the back from analysts at Bank of America. Mohawk's stock, ...