Mumbai: Fag-end buying pushed up the Bombay Stock Exchange benchmark Sensex on Thursday by over 123 points amid firm European markets that gained on hopes of a solution to the Greek debt crisis.

After a weak opening, the Sensex moved up towards the close and wound up 123.43 points, or 0.70 percent up at 17,830.75. Banking, metals and auto stocks led the gains.

The NSE 50-issue index Nifty rose 44.22 points, or 0.82 percent to 5,412.35.
After dull trade, the last 30-minute buying emerged on firm openings in European markets ahead of a decision by central bankers and political leaders to finalise package to resolve debt crisis in Greece and the euro-zone.

Brokers said steady FII inflows kept the market strong.
Auto stocks gained on higher industry sales in January. The auto index gained 1.78 percent. Bajaj Auto rose by 3.30 percent and Tata Motors by 2.57 percent.
IT stocks rose, led by Infosys which rose 1.39 percent. Tata Consultancy Services was up 0.68 percent.

The banking index gained 1.85 percent, followed by metal index - up 2.05 percent. The realty sector index rose by 1.95 percent.