Britain's FTSE index retreats, engineering shares fall sharply *Rotork slumps nearly 11 pct after update. LONDON, Sept 17- Britain's share market on Thursday gave up some of its gains from the previous session, with engineering companies such as Smiths Group and Weir Group falling on concerns about peer Rotork's outlook. Rotork, which makes valve-automation equipment used in the oil and gas, power and nuclear industries, fell...
| By: Kit Rees and Atul Prakash
Europe loses steam ahead of Fed decision European equities dipped down into the red, in a see-saw day for markets as investors remained on edge ahead of Federal Reserve's decision.
| By: Arjun Kharpal