H-P, ArcSight deal fuels tech-sector gains By: MarketWatch September 13, 2010 at 10:41 AM EDT Tech stocks jump on news of another acquisition deal from Hewlett-Packard Co. and strong gains in the chip sector. Read More >> Related Stocks: Amazon.com Apple Cisco Systems Google, Inc. Hewlett-Packard Intel Corp International Business Machines Macy's Micron Technology Microsoft