 ARLINGTON, Va., June 08, 2021 GLOBE NEWSWIRE -- U.S. commercial insurance prices increased again during the first quarter of 2021, according to leading global advisory, broking and solutions company Willis Towers Watsons Commercial Lines Insurance Pricing Survey CLIPS. The survey compared prices charged on policies underwritten during the first quarter of 2021 to those charged for the same coverage and quarter in 2020 and found the aggregate commercial price increase was just below 8. 