Cyclicals gave back some of the previous session's gains with Oil Equipment and Bank stocks pacing losses.
Banks rallied heading into the final stretch of September following the previous week's drubbing.
Cyclical parts of the market were broadly weaker with General Industrials and Automobiles and Parts pacing losses on Thursday.
Cyclicals were at the fore on Wednesday, with Forestry and Paper stocks topping the leaderboard on the back of upbeat medium-term projections from two trade groups.
Tobacco stocks finished higher against the backdrop of a small bounce for London shares more generally, boosted by an upgrade out of analysts at RBC.
Cyclicals were all lower at the end of the week as investors recoiled at the prospect that Covid-19 lockdown measures across the Continent might be tightened amid the renewed increases in the number of novel coronavirus infections.
Aerospace and Defence issues were at the bottom of the pile on Wednesday amid still dour investor sentiment towards the sector.
A sharp rebound in shares of non-life insurer Hiscox pushed its sector to the top of the leaderboard after the High Court's ruling on so-called Business Interruption costs in the wake of the pandemic.
Aerospace and travel issues paced gains at the start of the week even as strategists debated the outlook for UK equities in the background.
Cyclicals paced gains in the market at the end of the week with miners pacing the advance on hopes for a continued economic recovery, especially in Asia.
BT shares rallied on Wednesday, pushing its sector to the fore on the back of M&A speculation.
Oil related stocks were the main drag on London listed stocks on Tuesday, as the sell-off in technology shares Stateside fed into other risk assets, including commodities.
Big Pharma paced gains in London at the start of the week, led by shares in Dechra Pharmaceuticals after the veterinary drugs maker hiked its dividend payout following what it described as an "encouraging" start to its new financial year.
Technology issues paced losses in London trading at the end of the week as investors were caught in the downdraft from sharp selling in the space across the Pond.
Miners and Homebuilders paced fallers in the stockmarket on Thursday with a slightly worse-than-expected reading on initial weekly jobless claims acting as the apparent trigger for the selling.
Utilities paced gains in the middle of the week on the back of a sharp drop in yields on longer-term Gilts.
Aerospace and defence names were at the bottom of the pile as Sterling continued its push higher, oblivious to what some observers had billed as a key week for Brexit talks between Brussels and London.
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