Global Markets| European shares flat as investors await Iran deal details, Fed policy; BMW slides

European STOXX 600 was flat at 635.87 points as investors awaited Iran peace deal details and the US Fed policy decision. Auto stocks led declines, with BMW sliding 6.3 percent after lowering its annual profit outlook citing weakness in China and the US-Iran conflict, while tech and defence stocks provided support. Barclays raised its STOXX 600 target to 670 from 620 and upgraded the luxury sector to overweight.