Ka Ying Rising (NZ) (Shamexpress) took another confident step towards the Longines Hong Kong International Races (HKIR) as he dashed well clear of a batch of top-class operators in a barrier trial at Sha Tin on Friday. The world’s top-rated sprinter broke well and ran keenly before surging down the 1200m dirt straight in a brisk 1m 10.19s under regular rider Zac Purton. The run provided a final tune-up before the HK$5.35 million Gr.2 BOCHK Private Banking Jockey Club Sprint (1200m) at Sha Tin on 23 November. It was a…