Investors interested in stocks from the Retail - Restaurants sector have probably already heard of Cheesecake Factory (CAKE) and Shake Shack (SHAK) . But which of these two companies is the best option for those looking for undervalued stocks? Let's take a closer look.The best way to find great value stocks is to pair a strong Zacks Rank with an impressive grade in the Value category of our Style Scores system. The proven Zacks Rank emphasizes companies with positive estimate revision trends, and our Style ...