File Photo - Lenovo Chairman and Chief Executive Officer Yang Yuanqing speaks during a news conference announcing the company's annual results in Hong Kong May 21, 2014. REUTERS/Bobby Yip

HONG KONG (Reuters) - Chinese personal computer maker Lenovo Group Ltd is more confident it can achieve its turnaround goal for its mobile business in the second half of fiscal year 2018, Chairman and Chief Executive Yang Yuanqing told Reuters on Friday.

Yang was speaking after the company posted a first-quarter loss on higher costs and slower growth in the personal computer market.