Markets weak at open; Hindalco down 3%

The NSE Nifty is down 23 points at 4,325.

Jaiprakash Associates and Hindalco have dropped over 3% each to Rs 161 and Rs 156, respectively.

Reliance Infrastructure and Reliance have shed 2.5% each at Rs 939 and Rs 2,045, respectively.

Larsen & Toubro, BHEL and Bharti Airtel are down around 2% each at Rs 2,506, Rs 1,378 and Rs 752, respectively.