Under Armour is trading at $4.74, down 11.57%, after its fiscal second-quarter report showed revenue weakness. - On November 6, revenue fell 7% to $1.2 billion, while adjusted earnings slightly exceeded expectations. - The company maintained its fiscal 2027 outlook for revenue to decline at a mid-single-digit rate, reinforcing concerns about continuing sales weakness. - The earnings release is the clearest company-specific explanation for the pre-market decline; broader market and sector moves are secondary context.