Intel, Yahoo lead early surge in tech stocks By: MarketWatch April 20, 2011 at 10:27 AM EDT The technology sector opens to almost across-the-board gains, led by Intel, whose results surprised Wall Street and drew upgrades from brokers. Read More >> Related Stocks: Applied Materials Hewlett-Packard Intel Corp International Business Machines Juniper Networks KLA-Tencor Corp Red Hat Salesforce Vmware Inc Yahoo