BUZZ-Evraz: top UK midcap loser on H1 profit miss
** Evraz (LSE: EVR.L - news) , one of Russia's largest steel producers, -c.4% & top midcap loser after co's H1 profit misses forecast
** H1 EBITDA falls 38% to $577 mln (co cites weaker steel prices); analysts polled by Reuters had expected $593 mln
** Among top 5 most actively traded UK midcaps on Thurs, with nearly 1/5th 30 day avg vol through in less than 30 mins of trade
** Stock up 136% YTD vs 54% gain in FTSE All Share basic metals index