Hong Kong shares, like those in many Asian markets, were roughly flat on Tuesday, as they cooled off after reaching their highest point this year. The Hang Seng index fell 0.1 percent, to 22,910.84, while the China Enterprises Index was unchanged at 9,707.99 points. Financial shares in Hong Kong fell on Tuesday, pacing sector weakness on the mainland. The IT sector jumped nearly 2 percent, while energy shares were firm on the higher oil prices.