The dollar may now be the market's biggest enemy By: CNBC.com News March 18, 2015 at 06:00 AM EDT The effects of the dollar surge have already been felt by a bevy of U.S. companies. And the earnings and guidance impacts may just be getting started. Read More >> Related Stocks: Discovery Comm B Discovery Communications Fossil Group Goodyear Tire & Rub Hewlett-Packard Home Depot Oracle Corp Wal-Mart Stores, Inc.