The euro fell on Monday as a threat from France's far right to collapse its government kept European markets under pressure, while tech stocks lifted global shares and the dollar firmed in a key week for the U.

The MSCI gauge of Asian shares headed for a second day of gains with benchmarks in South Korea and Australia among those gaining

The euro marked time on Wednesday ahead of France's no- confidence vote, while the Australian dollar tumbled to a four-month low on slowing economic growth and the won rebounded after South Korea's president backed down after declaring martial law.