Indian stock markets Thursday witnessed some buying action after sell-off in the last trading session with a key index trading 0.47% up amid weak signals from major worldwide bourses.

The 30-share index BSE Sensex, which opened the day at 17,382.09, stood at 17,462.06, up 81.88 points than its previous closure at 17,380.08.

In contrast, Nifty was ruling at 5,243.15 points, up 0.53% from its last closure at 5,215.45.

Broader market indices were also in the green zone with the BSE midcap index trading 0.85% up and the BSE smallcap index ruling 1.26% higher.

The overall breadth of the stock market was positive as it witnessed 1,911 progressions as against 915 declinations.

Worries of a sovereign arrears default by Greece and Portugal continued to plague Asian bouses.

The South Korean Kospi ended 0.32% down at 1,728.42, whereas Hong Kong's Hang Seng closed 0.81% down at 20,778.92.

The Chinese Shanghai composite index remained down 1.1% at 2,868.43.

Japanese markets remained closed today.

European markets were trading in the positive after a weak opening.

The FTSE 100 gained 0.56% at 5,618.13, whilst its German peer, DAX, stood at 6,106.72, up 0.37%. (With Inputs from Agencies)