Oil Prices Slide 7 Following Trumps Optimistic Remarks on Iran Nuclear Talks Vestas Wind Systems Stock Slips as Company Warns Margins May Hit Low End of Guidance PutinXi Talks Could Revive Stalled Power of Siberia 2 Gas Pipeline as Iran Conflict Shakes Energy Markets China Confirms Order for 200 Boeing Aircraft Emphasizing Aviation as Key Cooperation Area with US Toll Brothers Unveils New Amenities at Cross Kirkland Towns Community Milburn Criticizes Welfare Spending More on Benefits Than Jobs for Youth Toshifumi Suzuki Architect of 7Elevens Global Expansion Dies at 93