Shares on the FTSE 100 continued to fall as markets opened on Friday morning as Rolls-Royce added to the slide already seen on Thursday.
The FTSE 100 fell a further 30.46 points to 6,148.22 after Rolls-Royce shares fell another 2.9%, having fallen by nearly 20% on Thursday. The aerospace issued a warning that it would experience "headwinds" worth £650 million in 2016 as it reduces production of its Typhoon fighter jet.
The share index has been on a steady decline for a number of months, after reaching record highs of more than 7,000 points earlier in the year.
Elsewhere on the FTSE 100, mining giant BHP Billiton saw its shares rise 0.9% despite ongoing falls in commodity prices and a fine by the Brazilian government over a burst dam at a mine its jointly owns with Vale.