Apple Inc. had strong U.S. sales during the first quarter leading the company to take 6.6 percent market share compared to having 5.2 percent market share for the same quarter a year prior. Dell remains number one in the U.S. strengthening its lead to 31.4 percent of total PC sales; however, Hewlett Packard remains number one in the world. U.S. PC shipments rose during the first quarter by only 3 percent as the U.S. economy continues to show signs of weakness.