Electronic technology shares gained the most on the New Zealand Exchange, rising over 9% by midday Monday.

Smartpay Holdings (ASX:SMP, NZE:SPY) was the best performer in the sector, surging 18% in recent trade as it signed an exclusivity agreement granting an unnamed buyer due diligence access until June 9.

On the other hand, finance shares dropped nearly 1%.

Westpac Banking (NZE:WBC, ASX:WBC) led the drop in the sector, sliding 3% in recent trade after reporting earnings of AU$0.96 per diluted share in the fiscal first half, up from AU$0.916 per diluted share in the year-ago period.