Tech stocks rise; Workday shines in IPO debut By: MarketWatch October 12, 2012 at 11:36 AM EDT Cloud-based enterprise software company shares climb 66%; AMD, Seagate, Western Digital are in the red Read More >> Related Stocks: Apple Citrix Systems Groupon Cl A Hewlett-Packard Microsoft PHLX Semiconductor Sector Index Salesforce Seagate Technology Plc Servicenow Inc Western Digital Yelp Inc