BUZZ-Victrex: profit taking after FX driven H1

** Specialty chemicals maker Victrex (LSE: VCT.L - news) 's shares down almost 5 pct & bottom of FTSE 250 after FX driven H1 results

** "FX was the key to 1H18," Jefferies says

** Co posts H1 PBT up 26 pct to £63.3 mln, but it's only 2 pct up, if the benefit of beneficial FX rates feeding in from the group's hedging policy is removed, Jefferies adds

** Victrex says that currency to be much less of tailwind (vs H1), and it is "mindful of the currency headwind for 2019"

** Co also flags that it could suffer, if due to Brexit it may not be able to import certain raw materials or export finished goods through Customs

** Morgan Stanley (Xetra: 885836 - news) points to rise in operating costs and adds that it suspects that in-line results will see some profit taking

** Stock among worst performers on pan-European Stoxx 600 index