Several emerging-market currencies fell against the U.S. dollar on Monday as investors reacted to new signals tied to a BRICS summit and possible shifts in cross-border capital flows. The South African rand, Brazilian real and Indian rupee were among the currencies under pressure.

Traders said the move reflected caution rather than a single trigger, with markets parsing whether bloc-wide policy discussions could alter the way money moves in and out of member economies. That uncertainty added to broader demand for the dollar.

The weakness highlights how sensitive emerging currencies remain to headlines around global economic coordination, especially when investors see potential changes in liquidity, trade, or investment patterns. For now, the reaction appears to be driven by concern over what the summit signals could mean for financial stability.

Market participants will be watching for clearer guidance from policymakers and any signs that the talks lead to concrete measures. Until then, currency swings may continue as investors reassess the outlook for capital flows across key emerging economies.