Dollar Declines on Growing Prospects of USIran Agreement AI Accelerates Drug Discovery for Brain Disorders Researchers Say Lidl Overtakes Morrisons to Become Fifth Largest UK Grocer Subramanian Swamy Calls for Ban on Cement Imports from Pakistan Citing Security Risks US Productivity Growth Slows in Q4 as Labor Costs Rise Oil Prices Slide 5 as Trump Signals Constructive Iran Talks US Stock Futures and Bond Yields Slide After Putins Nuclear Doctrine Update