HPs shipments increased 48 per cent year-on-year , compared to an increase of 31 per cent for Dell .
HP 's shipments increased 48 percent year-over-year , compared to an increase of 31 percent for Dell .
As frequently happens to a company making a major acquisition , PeopleSoft 's shares dropped during yesterday 's trading , decreasing $ 1.42 to close at $ 14.97 .