CNBC Daily Open: A U.S. yen intervention dressed in euros

Money in different currency bills - U.S. Dollar, Chinese Renminbi Yuan, Japanese Yen, European EuroAlex Segre | Moment | Getty ImagesHello, this is Hui Jie writing to you from Singapore. Welcome to another edition of CNBC's Daily Open.The U.S. intervention to bolster the yen last week may have more global significance than it appears, as reports suggest that Washington sold euros to fund this intervention to avoid any negative impact on the sensitive Treasury market. It's also earnings galore around the globe, with Amazon, HSBC and Aramco some of the big names that have reported today. What you need to know todayInstead of selling dollars to help Japan prop up the yen as it had in previous interventions, the U.S. reportedly sold euros instead to fund the currency-buying operation, thereby weakening the greenback against the euro.What could be the reason? One possibility is that Washington wants to avoid destabilizing the sensitive Treasury markets. Industry veterans told CNBC that one of Washington's biggest concerns was avoiding a scenario where Japan would need to dump large quantities of Treasurys to finance unilateral intervention. The euro had strengthened to a high of 1.1558 ...