Brazil small-cap stock index jumps 9.3%, biggest gain since March 2020

A single-session move of this size in small-caps is a liquidity and risk-appetite signal more than a fundamentals one, since smaller Brazilian names typically amplify whatever is driving the broader local market. The read-across matters most for holders of Brazil-linked equity exposure and for anyone tracking whether domestic risk sentiment is genuinely repairing after a long stretch of underperformance. Whether this is a one-day squeeze or the start of a sustained re-rating is the open question, and the durability of follow-through volume will say more than the headline percentage.