The FTSE 100 has fallen down the performance charts this week, despite racking up more all-time highs, as our exclusive Accumulator data table shows.
The UK blue-chip index set two new closing highs on Monday and Tuesday, but it's been downhill since.
A week which began with news that the US trade war with China had apparently been placed 'on hold' ended with geopolitical uncertainty again rearing its head, as US president Donald Trump cancelled his summit with North Korean leader Kim Jong-un.
With the FTSE 100 down 0.9% in the five days to yesterday, the index has now fallen behind a number of other global markets for 2018 returns, trailing the US, Japan, Hong Kong and Russia.
Returns from overseas markets have been inflated by the pound's weakness, while a dip in the oil market, following a breakneck rally, has also hurt the UK's commodities-heavy index.
The FTSE 100 has edged further into the red today, down nine points at 7,708, but the day's big movers were in the FTSE 250.
Centamin (CEY) slumped 17.9% to 130.9p as the gold miner made a dramatic cut to full-year production guidance.
Joining it at the bottom of the index was Dunelm (DNLM), 12.5% lower at 130.9p after the homeware retailer issued a profit warning.