EMC executive and his GM past played key role in EMC-Dell mechanics

By Liana B. Baker and Michael Flaherty NEW YORK (Reuters) - As a young investment banker in the 1990s, Harry You learned about an obscure General Motors Co security called a 'tracking stock.' As an EMC Corp executive working on selling the data storage company to Dell Inc, he helped revive it. The addition of a tracking stock for VMware, a software maker majority-owned by EMC, is a critical part of Dell's $67 billion deal for EMC struck on Monday, the biggest technology acquisition ever if it go