New York, New Yorkozgurdonmaz/Getty ImagesOffice vacancies climbed more than 5% in six of the top 25 US markets this year, according to CommercialEdge.Sale prices, meanwhile, dropped again, down 9% from the average price in 2023.Remote and hybrid work continues to weigh on the office sector.The US office market slumped again this year, entering a new phase of downturn that could last for years to come, a report said this week.The report from data industry provider CommercialEdge shows office vacancies jumped more than 5% in six of the top 25 US markets this year.Sale prices for offices, meanwhile, fell again.