By Gerald Jeffris 
 

BRASILIA--Brazil's Bovespa stock index broke a three-session losing streak to end slightly higher Tuesday, with local blue chips Vale and Embraer among stronger advancers.

The main Sao Paulo index ended 0.3% higher at 47,840 points. Volume was moderate, with 5.3 billion Brazilian reais ($2.2 billion) in shares changing hands.

Traders noted the index began the session moving higher amid optimism brought by efforts from authorities in some key emerging markets to shore up confidence in their currencies.

Among those, India's central bank unexpectedly raised its interest rate 0.25-percentage-point to 8% as part of an effort to rein in rising prices.

The governor of the central bank of Turkey, Erdem Basci, also gave hints that his country could soon raise interest rates to curb accelerated inflation.

Locally, meanwhile, investors were encouraged by comments from Brazilian Finance Minister Guido Mantega that Brazil's government would freeze enough spending this year to help stabilize the country's debt-to-GDP ratio. Analysts note a tighter fiscal stance from the government could aid Brazil's central bank in bringing its own recent monetary tightening cycle to an end in coming months. Brazil's central bank has raised the country's benchmark Selic interest rate by 3.25 percentage points since April to 10.50%.

At the end of trading Tuesday, mining giant Vale was among leaders, advancing 1.2% to BRL28.88.

Aircraft manufacturer Embraer (EMBR3.BR) also led gainers, rising 2.0% to BRL19.28.

In the banking sector, leading retail bank Itau (ITUB4.BR) rose 0.7% to BRL30.06 and rival Bradesco (BBDC4.BR) was up 0.1% to BRL26.49.

Elsewhere, fixed-line telecom Oi (OIBR4.BR) fell 1.0% to BRL4.00, steel company Gerdau (GGB, GGBR4.BR) dropped 0.1% to BRL16.69, airline Gol (GOLL4.BR) rose 0.6% to BRL10.16, and state-run oil company Petrobras (PETR4.BR) fell 0.4% to BRL15.05.

Write to Gerald Jeffris at gerald.jeffris@wsj.com

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