Emerging-market currencies weakened against the dollar on Friday as investors grew more cautious about rising sovereign debt in several BRICS economies. The pressure added to concerns that heavier borrowing could strain fiscal stability and make those markets less attractive to global capital.

The selloff reflected a broader risk-off mood, with traders moving away from assets seen as more exposed to debt stress and capital flight. Currencies tied to developing economies often come under pressure when investors demand safer returns elsewhere, especially when government finances appear stretched.

Market participants are watching whether the debt concerns remain contained or spread to other parts of the asset class. For now, the latest moves underscore how quickly sovereign borrowing worries can feed into currency weakness and tighten financial conditions for emerging economies.