In the morning trading of Hong Kong stocks, the Hang Seng Index closed flat, while technology stocks fell generally. The Hang Seng Technology Index fell 1.37% to 7847 points.

Plate aspectThe medical device sector soared collectively, Chunli Medical rose 36%, Aikang Medical rose 27%, Shandong Weigao Group Medical Polymer rose more than 12%, and minimally invasive Medical treatment rose nearly 10%. In the news, on the evening of June 21, the State Organization Joint Purchasing Office of High-value Medical consumables issued the "National Organization artificial Joint centralized quantity Purchasing announcement (No. 1)", which was carried out by Tianjin Pharmaceutical Purchasing Center. Tianfeng Pharmaceutical released a research report, said that on the whole, the joint collection compared with the stent scheme finalists rules are relatively mild, and there is a chance of resurrection, to a certain extent to avoid price upside down; the highest effective bidding and control of price spreads and other rules need to be continuously concerned; the bank believes that if the final bid results are OK, the relevant companies are expected to usher in investment opportunities.

Oil stocks strengthened in early trading, with Petrochina up more than 6%, China Petroleum & Chemical Corporation up nearly 5% and CNOOC Limited up 3%.

Port and shipping stocks rose sharply, Orient Overseas broke the top again in intraday trading, Cosco Haifa and COSCO Haifeng rose more than 3%, and COSCO Shipping Holdings and Cosco seaports all rose. BoCom International released a report that the delay at Yantian Port could have a knock-on effect on the entire supply chain, including exacerbating the shortage of containers and equipment at ports in southern China, and that the diversion posed further challenges to land transport. The port congestion supply chain is not smooth, exports continue to grow substantially, container transport demand is strong, coupled with the decline in transport capacity of the stranded epidemic, under multiple factors, export container freight rates continue to rise.

Blockchain concept stocks plummeted, Fire Coin Technology fell nearly 19%, Xiongan Technology fell more than 3%, Euro Cloud chain fell nearly 7%, and Kingsoft fell more than 4%. On the news side, ICBC, Agricultural Bank Of China and Alipay issued announcements banning virtual currency transactions one after another yesterday.

Individual stocks$Chunli Medical (01858.HK) $Trading was suspended in intraday trading, after rising more than 36%. The reason has yet to be announced. The share price is now trading at HK $34, with the latest market capitalization of HK $11.7 billion, with a temporary turnover of HK $165 million.

$Parnen Group (01263.HK) $It rose by more than 10%, up from 32% at one point, and the company expects shareholders to account for a profit of no less than HK $900 million in the medium term.

$Zhou's Black Duck (01458.HK) $Zhou's Black Duck fell nearly 2%, and the controlling shareholder Zhou Fu and his wife reduced their holdings by 55.6597 million shares.

Secondary new shares$Angelalign Technology Inc. (06699.HK) $It rose 4.12 per cent in half a day to HK $409.2, up 136 per cent from its share price.

Half-day turnover of Hong Kong stocks TOP 20