Fed's Paulson said he has not seen structural changes in inflation, only a series of shocks.

Hong Kong Chief Executive John Lee will lead a trade delegation to Kazakhstan and Uzbekistan on May 31 to deepen cooperation in finance, trade, infrastructure, innovation technology and green development, and to open new commercial channels into Central Asia. The delegation comprises more than 40 Hong Kong trade and professional representatives and about 30 mainland enterprise delegates across finance, legal, construction, logistics, technology, advanced manufacturing and automotive sectors.

A股光學光電子板塊持續下挫，京東方A、彩虹股份、亞世光電觸及跌停，恆太照明跌超25%，福光股份跌超15%，雷曼光電、長陽科技、八億時空、龍騰光電、天祿科技、波長光電、戈碧迦跌超10%。