Under Armour Inc. cut its full-year revenue forecast, citing weaker demand in its home market of North America in the second half of the fiscal year.The athletic-goods maker sees revenue falling 2 percent to 4 percent, down from the previous view of flat to up slightly, but maintained its profit guidance of 47 cents to 51 cents a share thanks to the strength of its second-quarter earnings.Revenue in North America fell 2 percent to $991 million for the quarter ended Sept. 30, even as international sales rose. Profit of 24 cents a share beat analysts’ consensus estimate of 21 cents.Under Armour is revamping under Chief Executive Officer Stephanie Linnartz, who has indicated that 2023 is a “building year” for the brand as it resets inventory levels and realigns around new strategic priorities like womenswear and footwear.Baltimore-based Under Armour and its sportswear rivals have been working to whittle down excess merchandise with discounts over the past few quarters as they look to open up shelf space for fresh goods. Inventory rose 6 percent for the quarter to $1.14 billion, slightly less than analysts had estimated.Adidas AG, which reported earnings on Wednesday, also had problems in North America, with revenue down 9 percent. Nike Inc.’s sales in the region dipped 2 percent in its fiscal first quarter, ended in August.Under Armour shares rose 4.2 percent in New York trading at 9:44 a.m. The stock was down 29 percent this year through Tuesday, compared with a 0.7 percent rise for the S&P MidCap 400 Index.By Kim BhasinLearn more:Under Armour Appoints John Varvatos Chief Design OfficerThe fashion veteran, who began consulting for the Baltimore-based activewear label earlier this year, will be charged with overseeing the company’s design direction and will head up its studios in New York, Baltimore and Portland, Oregon.