More recently, the company suffered more than competitors because many customers were concentrated in the hard-hit financial services sector.

Sun warned that its earnings for the period ended June 30 would be between six cents a share to 16 cents a share on revenue of $2.58 billion to $2.68 billion. Analysts had forecast a one-cent loss on revenue of $3.03 billion.

Oracle reiterated an estimate made in April that it expects the Sun acquisition to contribute more than $1.5 billion in operating profit in the first year, increasing to more than $2 billion in the second year.