Lenovo Group shares rose sharply on improved earnings in the quarter to June and lifted hopes of sustainable growth, as the mainland computer-maker integrated IBM's former personal computing unit. Shares in Lenovo, which completed the IBM deal on April 30, shot up following news its June quarter profit climbed 6 per cent year on year to $357 million and revenues tripled to $19.6 billion from $5.87 billion. Lenovo last hit $3.125 in November, a few weeks before it announced the acquisition of the IBM division for US$1.75 billion. Viktor Ma, of Morgan Stanley's Asia-Pacific equity research group, said the momentum should persist. Positive investor sentiment could linger as brokers changed their view of the company.