Jan 15 (Reuters) - The following Spanish stocks may be affected by newspaper reports and other factors on Wednesday. Reuters has not verified the newspaper reports, and cannot vouch for their accuracy:

CELLNEX CLNX.MC

Cellnex, Europe's largest mobile phone tower operator, will launch a share buyback programme worth 800 million euros ($823.60 million) this year to boost shareholder remuneration amid stronger-than-expected turnaround and low share prices.

REPSOL REP.MC

GeoPark GPRK.N said on Tuesday it will not go ahead with its planned $530 million acquisition of Spain-based Repsol's oil and gas production assets in Colombia, the company said on Tuesday.

MERLIN PROPERTIES MRL.MC

The company signed an agreement with the regional government of Extremadura in western Spain to promote two data centres with a capacity of 1 gigawatt each, Spanish newspaper Expansion reported on Wednesday.

CORPORACION FINANCIERA ALBA ALB.MC

The company said that it had reached an agreement in consortium with international investors to buy an indirect stake in Nord Anglia Education for about $600 million.

ACERINOX ACX.MC

Jefferies started coverage with a "hold" rating and a target price of 10.5 euros.

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