KUALA LUMPUR: Hong Leong Investment Bank research is bullish on Dagang Nexchange Bhd's( DNeX) prospects as it expects back-to-back quarterly earnings growth for the energy and technology services provider.... The research firm said is projects the earnings growth over the next 12 months due to surging product average selling prices, increasing wafer shipments and higher realised prices for Ping Petroleum due to soaring Brent crude oil prices.... Meanwhile, HLIB has gathered from checks that DN