DELL INC, the world’s second-largest personal computer maker, has said second-quarter profit rose to 24 cents a share as sales increased, while net income was $621 million in the period ended August 1.

EMC Corp, the world’s third-biggest maker of data-storage systems, agreed to buy software rival Legato Systems Inc. for $1.3 billion in stock, to sell more higher-profit programs and rely less on sales of machines.