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* FTSE 100 up 0.4 pct
* British Airways owner IAG results disappoint
* Profit beat, strong capital ratio boost RBS
* Miners fall as China cuts steel capacity
* Tullow Oil sinks on exploration fail
By Helen Reid
LONDON, Oct 27 (Reuters) - British stocks tracked European indexes higher on Friday, driven by a results-inspired rise in RBS which helped outweigh weakness among mining stocks and British Airways owner IAG.
The FTSE 100 was up 0.3 percent by 0825 GMT, while mid-caps dipped 0.1 percent.
RBS shares led the gains, up 2 percent after the state-owned bank beat expectations with strong third-quarter profit and a more robust capital ratio.
Shore Capital analysts said this provided a buffer to absorb further potential litigation costs, with a dispute with the U.S. Department of Justice over mortgage-backed securities ongoing.
“Once this has been dealt with it should pave the way for the group to return to statutory profitability (hopefully during 2018) and ultimately recommence dividend payments,” they said.
British Airways owner IAG was the top faller, down 3.9 percent, as strong earnings and revenue performance were overshadowed by slightly weaker passenger growth figures.
“The growth rate is more muted than the wider sector, suggesting a loss of market share,” Bernstein analyst Daniel Roeska said in a note following IAG’s results.
Liberum analysts noted passenger unit revenue for the carrier grew at a slower rate than at Lufthansa.
Shares in rival budget airlines easyJet and Wizz Air also fell 2.3 percent.
Chinese cuts to steel capacity weighed on commodities prices, sending mining stocks Anglo American, Antofagasta, BHP Billiton, Rio Tinto and Glencore down 1.7 to 2.6 percent.
Mid-cap miners Evraz, Kaz Minerals and Ferrexpo also sank 2.8 to 3.9 percent.
Among mid-caps Tullow Oil shares also dropped 4 percent after saying it plugged and abandoned its Araku-1 well in Suriname after failing to strike oil.
“There’s been a big disparity between companies with good earnings getting rewarded and then poor earnings and cautious guidance getting slammed,” Rory McPherson, head of investment strategy at Psigma, said.
“It’s a market getting towards pretty lofty levels so any disappointment is clearly penalised,” he added.
Reporting by Helen Reid; editing by Alexander Smith