There was a strong start to the week for miners, which helped keep the FTSE 100 in positive territory.
Anglo American (AAL) sold its 73%-held subsidiary Inyosi Coal for $71m, pushing the stock 1.8% higher to £17.66.
Glencore (GLEN) and Rio Tinto (RIO) were also among the top blue-chip performers with gains of approximately 2.3% apiece.
The FTSE was 0.2% higher at 7,685 around midday.
Brent crude oil slipped 0.9% to $69.87 per barrel.
MID AND LARGE CAP RISERS AND FALLERS
Engineer GKN (GKN) warned a proposed takeover by Melrose (MRO) would negatively affect its pension scheme, causing the shares to retreat 0.4% to 434.4p.
SMALL CAP RISERS AND FALLERS
Diamond producer Petra Diamonds (PDL) cut full year production guidance for the Cullinan mine in South Africa. Shares in the company slumped 17% to 65.4p after Petra also revealed full earnings would miss market expectations by between 10% and 15% as the stronger rand against the dollar made an impact.
Drinks distributor Conviviality (CVR) lost its fizz on falling profits following the phasing of some synergies into the second half of the year. The stock fell 18.2% to 292.7p.
Intellectual property specialist Frontier IP (FIPP) announced its portfolio company Molendotech sealed a collaboration deal with an arm of Halma to develop and licence its water testing products. Frontier IP increased 8.2% to 92p and Halma was broadly unmoved.
A warning from music content provider Immedia (IME) that contract delays and a disappointing performance from its AVC operation will increases losses in 2017 concerned investors. Shares in the firm plummeted 26.7% to 23.1p.
Gas and electricity supplier Yu (YU.) sparked 11% to £11.37 after it upgraded profit guidance 'significantly ahead' of current market forecasts.
It was also good news from Sopheon (SPE), which rallied 16.1% to 572p as annual pre-tax profit is expected to beat market expectations.