By Nichola Groom NEW YORK (Reuters) - One look at corporate America's bare-bones capital spending plans for this year and it's hard to imagine there will be a strong, sustainable rebound in the U.S. economy any time soon. But while recent economic data has shown an encouraging rise in orders for factory goods, many of the biggest names in corporate America are keeping a tight lid on new investments in technology, equipment and construction as well as research and development. After Hewlett-Packard Co., the maker of computers and printers, reported a disappointing quarterly profit, analysts said the company needed to...