Euro falls against dollar; Brazilian real tumbles after Lula election win - Reuters

The euro weakened against the dollar as markets opened the week, a move Reuters linked to broad risk aversion rather than any single euro-area data release. When investors grow more cautious, demand for the dollar as a safe-haven currency tends to rise, and the euro—the most liquid alternative among major currencies—often absorbs the adjustment.

The sharper move came in Brazil, where the real tumbled after Luiz Inácio Lula da Silva won the presidential election. A decisive result reduces one source of uncertainty, but markets typically shift focus quickly to the incoming administration's fiscal plans, cabinet appointments and spending priorities. Currency moves of this kind reflect how investors are repricing the balance between political continuity and fiscal risk.

For observers, the common thread is that currency markets were reacting to political and sentiment shifts rather than fresh economic indicators. What to watch next: the tone of early policy signals from Brazil's new government and whether global risk appetite stabilizes, since both feed directly into how the real and the euro trade against the dollar.