In seven trading days through May 13, foreign investors sold a net 3.7 billion yuan ($530 million) of shares in Hangzhou Hikvision Digital Technology Co. Ltd. through the stock connect program between Hong Kong and Shenzhen, according to data compiled by financial data provider iFind from Hong Kong Exchanges and Clearing Ltd. The sell-off began May 17 and surged to a peak of a net 1.3 billion yuan on May 22, the day after the New York Times reported that the Trump administration might limit Hikvision’s ability to buy U.S. technology and require American companies to obtain government approval to sell products to the company. In the seven trading days through May 27, Hikvision's Shenzhen-listed shares dropped 12.2% to 25.15 yuan from 28.63 yuan.