** Clarkson Plc -21%, top FTSE mid cap loser & on track for 2nd-worst day ever after British shippingservices provider warns on 2016 profit
** Clarkson says 2016 profits to be materially lower than2015
** Cites fall in freight rates, which reflects increase inglobal economic uncertainty & continuing imbalance betweensupply and demand in shipping
** Panmure Gordon cuts TP to 2550p from 2800p, expects 21%fall in PBT to c.43 mln stg
** Stock down c.2 pct YTD vs c.6 pct fall on FTSE 250
** Co to release H1 results on Aug. 15