The FTSE 100 lost earlier gains as Royal Dutch Shell stocks (RDSB and RDSA) dragged the blue chip index 0.7% lower to 6,730.
West Texas Intermediate (WTI) crude oil slumped 2.3% to $43.66 and Brent crude oil fell 2.2% to $45.87 per barrel, respectively.
Gold glittered at $1,313 per ounce, while copper was stable at $4,563 per ounce.
The UK's manufacturing output rebounded to a ten-month high in August to a reading of 53.3, prompting the pound to rally to a one-week high of over 1.19 against the euro.
Labour productivity in the US non-farm business sector declined by 0.6% during the second quarter, according to the US Bureau of Labor Statistics.
MID CAP RISERS AND FALLERS
Ascential (ASCL) slumped 3.8% to 255p after major shareholders Apax and the Guardian Media Group (GMG) reduced substantial chunks of their respective stakes, leading two representative directors to leave the board. A total of 80 million shares were sold at 250p.
SMALL CAP RISERS AND FALLERS
Power transmission products supplier Renold (RNO) disappointed investors after announcing it may close its loss-making Lille distribution centre in France.
A subscription cash call for £500,000 of working capital from African Potash (AFPO) caused its share price to crash 30.8% due to a discount for new shares.
Mayan Energy (MYN) crashed 34% after raising £500,000 at a discount to install equipment and infrastructure to permit sales of natural gas.
Former resources minnow ZincOx (ZOX), which is a cash shell after selling its operations, struggled as it closes in on a stock trading suspension on 28 October if it cannot find a business to buy. Shares plummeted 46.4% to 0.4p.
Car retailer Vertu Motors (VTU) reported robust half-year trading and confidence in delivering record full-year sales profits, as the firm avoided post-Brexit blues.
Underwhelming full year profits at industrial products manufacturer 600 Group (SIXH) pushed shares 10.5% lower. Counter-intuitively broker FinnCap said the results were marginally higher than its forecasts.