For those investors who were seeing more optimistic signs of economic recovery in the technology industry, Hewlett-Packard has played the role of the spoiler.On Tuesday, H.P., the world’s largest technology company, reported double-digit declines in sales across its major businesses in its second quarter. H.P. also said that it would cut about 2 percent of its 321,000-person work force, or close to 6,420 people, as it tries to reduce costs.
