MEXICO CITY, Nov 26 (Reuters) - Mexican stocks tumbled on Thursday as news of debt problems in Dubai that could hit still weak global banks pushed investors to sell off riskier assets around the world.

The IPC stock index .MXX fell 2.04 percent to 30,725. (Reporting by Michael O'Boyle; Editing by John Picinich) ((michael.oboyle@thomsonreuters.com; +5255-5282-7153; Reuters Messaging: michael.oboyle.reuters.com@reuters.net))