International stocks trading in New York closed mixed Thursday, with the Bank of New York index of American depositary receipts slipping 0.1% to 151.07. The European index dropped 0.2% to 150.38, the Asian index added 0.2% to 146.98, the Latin American index fell 1% to 270.10 and the emerging markets index decreased 0.2% to 269.15. Among companies with shares that actively traded were Amarin Corp. PLC (AMRN) and Posco (PKX, 005490.SE).

Amarin said the U.S. Food and Drug Administration has delayed a decision on its request for reconsideration of a special protocol assessment agreement related to its Vascepa drug. The biopharmaceutical company's shares fell 5.8% to $2.26.

South Korean steelmaker Posco tapped Kwon Oh-joon to be its new chief executive officer as the world's fifth-largest steelmaker seeks a way out of a protracted global slump in the steel industry. Shares edged up 0.3% to $72.66.

Taiwan Semiconductor Manufacturing Co. (TSM, 2330.TW) said Thursday revenue is likely to slip further in the first quarter before staging a strong rebound, as new capacity will continue to ramp up and smartphone and tablet makers will replenish inventories more aggressively ahead of new launches. Still, shares rose 3.4% to $18.15.

Eni SpA (E, ENI.MI) said Thursday that a forensic audit revealed that Italy's biggest energy company by market value hadn't committed any irregularities in Algeria as part of a possible corruption probe. Italian and Algerian officials are investigating whether officials at oil services company Saipem SpA (SPM.MI), in which Eni has a 43% controlling stake, gave kickbacks to procure contracts in the North African country worth billions of euros. Eni shares edged down 0.3% to $47.06.

U.K.-based mining firms rose after Citigroup moved its 12-month stance on the sector to bullish from neutral, marking the first upbeat call from the bank in three years. Within the industry, Citi said it prefers BHP Billiton PLC (BBL, BLT.LN) and Rio Tinto PLC (RIO, RIO.LN). BHP Billiton shares rose 4.2% to $61.11, while Rio Tinto shares added 3.6% to $54.89.

Write to Anna Prior at anna.prior@wsj.com

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