STOCKHOLM (AP) — Wireless equipment maker Ericsson posted a 6.46 billion kronor ($1.02 billion) loss in the fourth quarter due to a massive one-time charge, but said Thursday its sales rose 5 percent as mobile operators invested in broadband networks.

Ericsson shares rose 9 percent to 73.10 kronor in Stockholm after the report, which was stronger than many investors had expected, before ending the day up 7.6 percent at 74 kronor.