Tate tumbles and gold miners fall as FTSE slips

By Sudip Kar-Gupta LONDON (Reuters) - FTSE slipped off five-month highs on Friday as a drop in gold mining shares weighed on the stock market. The blue-chip FTSE 100 index closed 0.2 percent lower at 6,853.44 points, although it remained close to its best level since early September. Food ingredients company Tate & Lyle - which is a member of the FTSE 250 mid-cap index - also slumped 13.7 percent after issuing a profit warning.. Gold miners Randgold and Fresnillo were the worst FTSE 100 stoc