Early Movers: CAT, HAL, HAS & More By: CNBC.com News April 22, 2013 at 08:03 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Abb Ltd ADR Amazon.com Apple Boeing Co Caterpillar General Electric Halliburton Co Hasbro Hess Corp International Business Machines Verizon Communications eBay