why some investors are rolling the dice on a casino comeback in macao. the three stocks you need to keep on your radar we start with new developments out of the white house at this hour the biden administration issuing a warning to u.s. businesses operating in hong kong the message, the risks are rising there as china cracks down on democracy. cnbc's eunice yun in is beijing with more. >> just the threat of president biden's advisory to u.s. businesses operating in hong kong set off chinese officials today. the official overseeing hong kong accused the u.s. of attempting to embolden anti-china trouble makers and vowed china would retaliate against any further sanctions on its officials. president biden wants u.s. companies in hong kong to be aware of what he described as the deteriorating business climate under the year-old national security law, such as electronic surveillance without warrants, u.s. deputy secretary of state wendy sherman is set to visit asia next week, china reportedly snubbed the idea of a meeting with her chinese counterpart. the ten