Ka Ying Rising (NZ) (Shamexpress), the world’s best sprinter, stretched his consecutive winning streak to 16 with an imperious victory in the HK$28 million Gr.1 Hong Kong Sprint (1200m) at Sha Tin on Sunday. The gelding secured his sixth Group One victory to match the mighty Golden Sixty’s feat of posting 16 straight wins to be now only one short of Hong Kong’s record of 17, held by Silent Witness, and enhanced his own record to 17 wins and two seconds from 19 starts with prize money of HK$122.5 million.…