Expect more tumult in tech during 2013 By: MarketWatch December 18, 2012 at 06:02 AM EST The last year was tumultuous for the tech industry, and experts expect more excitement in 2013. For some big names, their very survival may be at stake. Read More >> Related Stocks: Amazon.com Apple Facebook Google, Inc. Groupon Cl A Hewlett-Packard Intel Corp Microsoft Yahoo Zynga Inc Cl A