Spanish stocks - Factors to watch on Friday

MADRID, Aug 29 (Reuters) - The following Spanish stocks may be affected by newspaper reports and other factors on Friday. Reuters has not verified the newspaper reports, and cannot vouch for their accuracy:

IBERIA (IBLA.MC), BRITISH AIRWAYS (BAY.L), AMERICAN AIRLINES (AMR.N)

The European Commission's antitrust body to probe BA, Iberia, AA tie up, El Pais reported, citing the commission's spokesman.

FERROVIAL (FER.MC), ACCIONA (ANA.MC), FCC (FCC.MC), SACYR (SVO.MC)

Spain's leading constructors to partially fund 6.5 billion euros in infrastructure projects for Madrid's Olympic 2016 bid, Cinco Dias reported, citing an unnamed company official.

GAS NATURAL

Criteria CaixaCorp (CRIT.MC) said it bought 1.12 percent of Gas Natural (GAS.MC) in the second quarter, boosting its stake to 36.7 percent.

Gas Natural's 19 billion euro loan will also launch to a wider syndication early next week, banking sources said.

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CRITERIA CAIXACORP

Criteria CaixaCorp said financial market volatility coulod depress the market value of its industrial holdings in the second half.

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