Hong Kong stocks staged a strong rally on Friday to end the week higher, bolstered by signs of progress in the two-day Sino-US trade negotiations. The Hang Seng index ended up 2.3% at 26,308.44, while the China Enterprises Index gained 2.3% to 10,452.58 points, both posting their best session since Sept. 4. For the week, HSI gained 1.9%, while HSCE added 3%. For the day, energy and real estate firms led the gains.