US Stock Futures and Bond Yields Slide After Reports of Updated Russian Nuclear Doctrine MACOM MTSI and IQE plc Announce LongTerm Supply Agreements for Advanced Semiconductor Materials Chinas AI Media System Ignores Japanese Politicians Condolences After Coal Mine Disaster Leonardo Secures 320 Million Deal to Equip Kuwait Patrol Vessels Expanding Italian Defense Presence in Gulf Wingstop Shares Slide 12 as Profit Misses Estimates SiTime Corporation SITM Plans 12 Billion Convertible Notes Offering to Fund Renesas Timing Business Acquisition Birkenstock BIRK Jumps 33 After Announcing 250 Million Share Buyback Program