News: RIO UPDATE 1-UK Stocks-Factors to watch on Jan 11

(Adds stories, updates futures move)

Jan 11 (Reuters) - Britain's FTSE 100 .FTSE index is seen opening lower, with futures FFIc1 down 0.5% on Tuesday.

• SCOTIA GAS: UK's competition watchdog said it was looking into the potential purchase of a stake in Scotia Gas Networks by Canada's Brookfield Asset Management Inc BAMa.TO .
• DARKTRACE: British cybersecurity company Darktrace DARK.L raised its full-year outlook for revenue guidance and earnings margin following strong customer growth and retention in the first half of the year.
• PENNON GROUP: Britain's competition regulator said it might accept the remedies offered by Pennon Group Plc PNN.L to address its concerns over the water company's 425 million pound ($577.49 million) acquisition of smaller rival Bristol Water BTW_pa.L .
• ROBERT WALTERS: British recruitment firm Robert Walters RWA.L said its fourth-quarter net fee income rose 33%, as businesses ramped up hiring across markets after a slowdown during the COVID-19 pandemic.
• HEATHROW: Britain's biggest airport Heathrow handled 19.4 million passengers in 2021, less than one quarter of pre-pandemic levels and lower than 2020, after Omicron sparked a run of cancellations in December.
• MARKETS: Britain signalled a shake-up in the availability and price of financial market data due to concerns over "limited competition" for benchmarks, indices and credit ratings.

• RIO TINTO: Rio Tinto Ltd (RIO) will buy four battery electric trains to transport iron ore from its mines to ports in the Pilbara region of Western Australia as part of its decarbonisation strategy, the global miner said on Tuesday.

• OIL: Oil prices rose after two days of losses, with some risk appetite returning as the market awaited clues from the U.S. Federal Reserve chairman on potential rate rises and as some oil producers continued to struggle to beef up output.

• UK's blue-chip index ended lower on Monday as housebuilders were hit by $5.4 billion in costs to remove cladding from buildings, while a weaker pound lifted consumer staples.

• For more on the factors affecting European stocks, please click on:

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