Thomson ReutersFebruary 18, 2013 05:00
* FTSE 100 down 0.2 points
* U.S. equity market closed for holidays
* Anglo American dips as banks revise down estimates
* Recent M&A pickup helps support some stocks
By David Brett
LONDON, Feb 18 (Reuters) - Britain's top shares edged lower on Monday, with the benchmark FTSE 100 index struggling to break through fresh five-year highs as investors temper their long-term bullishness with some short-term caution.