Software company R Systems International Ltd surged to its all-time high on Thursday on buyback plan.

At 1.50 pm, the stock was trading at Rs 77.95, up Rs 8.95 or 12.97 per cent on the BSE.

The stock rose as much as 16% to hit a 52-week high of Rs 80 in intra-day trade today.

Volumes also surged by more than 22.12 times.

The board will meet on December 20 to consider buyback of equity shares, the company said in a statement.