BUZZ-Carillion: bears win out in volatile trading post-results

** Carillion (Frankfurt: 924047 - news) falls 5 pct after being up as much as 3.5 pct, after announcing FY guidance

** Sees (Shanghai: 600481.SS - news) a slowdown in new orders in H2 due to Brexit vote

** Liberum says trading statement broadly in-line but flattered by a £20m one-off in support services division

** Berenberg, Singer and Liberum all point to reduced order visibility (70 pct for 2017 v 84 pct for 2015)

** Stock the most shorted on the FTSE 350 - 16 hedge funds have major short positions totalling 21.6 pct, according to the FCA disclosure register

** A number of brokers expected a short squeeze given lack of major negatives, with some calling the stock up as much as 5 pct pre-market