... Nalco's 3QFY11 PAT increased 14% QoQ to Rs2.56b, lower than our estimate, due to increased operating costs and lower sales of aluminum and alumina. ... Average 3QFY11 LME aluminum prices rose 12% QoQ to US$2,357 (up 16% YoY). Alumina traded up 11% QoQ at US$353. ...