The S&P 500 is hovering near all-time highs, so it isn’t surprising that some well-known “big brand” stocks now appear overvalued. Today, we’ll take a closer look at three “big brand” plays with frothy P/E ratios — Coty (NYSE: COTY), Snyder’s-Lance (NASDAQ: LNCE), and Mondelez (NASDAQ: MDLZ) — and see if they’re as wildly overvalued as they appear.