International stocks trading in New York closed lower on Thursday. The BNY Mellon index of American depositary receipts fell 2.35% to 144.9. The European index decreased 2.82% to 141.34, the Asian index dropped 1.74% to 143.15, the Latin American index fell 0.66% to 287.49 and the emerging markets index declined 1.22% to 289.85. Among the companies with shares that actively traded were Royal Dutch Shell PLC (RDSA, RDSA.LN) and Total SA (TOT, FP.FR).

Global oil prices dipped below $90 a barrel for the first time in more than two years Thursday as investors saw new signs that global supplies will continue to surpass demand. Both Brent, the global benchmark, and the U.S. standard are trading more than 20% below a recent high, meeting the definition of a bear market. Among oil majors whose shares declined, Royal Dutch Shell dropped 3.35% to $72.09; BP PLC (BP, BP.LN) fell 2.7% to $41.99; Total declined 3.9% to $58; Statoil ASA (STO, STL.OS) dropped 3.9% to $24.87; and PetroChina Co. (PTR, 0857.HK, 601857.SH, K3OD.SG) decreased 2.9% to $125.53.

The negotiations aimed at resolving Hong Kong's political standoff were in disarray after the government called off talks with students a day before they were scheduled to take place, as both sides traded barbs in multiple news conferences. Among decliners, Hong Kong Television Network Ltd. (HKTV, 1137.HK) fell 3.7% to $7.12; Melco Crown Entertainment Ltd. (MPEL, 6883.HK) dropped 2.7% to $25.18; China Unicom (Hong Kong) Ltd. (CHU, 0762.HK, K3ID.SG) declined two cents to $14.85; Cnooc Ltd. (CEO, 0883.HK) dropped 1.8% to $170.74; and Noah Holdings Ltd. (NOAH) decreased 2.25% to $13.46.

Write to Tess Stynes at tess.stynes@wsj.com

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