"It's a scheme of arrangement rather than a normal on-market bid which does have a lower threshold as well which is an interesting dynamic."
Restaurant Brands New Zealand, which is under a partial takeover offer, fell 0.4 per cent to $8.47.
Stocks across Asia gained as investor confidence recovered on news that China plans to cut tariffs on US auto tariffs as the world's two biggest economies attempt to rebuild strained relationships. Australia's S&P/ASX 200 index was up 1.4 per cent in afternoon trading and Hong Kong's Hang Seng was up 1.5 per cent.
Lindsay said that progress on the trade tensions helped lift investor sentiment in a generally volatile environment.
"Equity and bond markets have reacted to the fact that it may not be all hunky-dory around the world," and there is talk of rate hikes in the US slowing down, he said.
Growth stocks benefited from the lift in sentiment, with Pushpay Holdings up 3.5 per cent at $3.28 on very light volumes and A2 Milk rising 2.5 per cent to $10.89 on less than half its average volume.
Fletcher Building increased 1.7 per cent to $4.70 in smaller than usual activity. Australian fund manager Perpetual increased its stake in construction firm to 11 per cent from 10 per cent. The stock is coming off a 14-year low in November, and Lindsay said investors expect an announcement on the sale of the Formica international business in the coming weeks.
Spark New Zealand rose 1.3 per cent to $4.33 in heavier trading than usual with 5 million shares traded compared to the 90-day average of 3 million. SkyCity Entertainment Group advanced 0.9 per cent to $3.48 on a volume of 4.1 million, more than four times its average.
Of other companies that traded on volumes of more than 1 million, Kiwi Property Group increased 0.4 per cent to $1.375, Contact Energy rose 0.9 per cent to $5.92 and Meridian Energy gained 0.3 per cent to $3.30.
Sky Network Television fell 3.3 per cent to $2.06 in light trading and NZX declined 2 per cent to $1 on heavier trading than usual.
Outside the benchmark index, Hallenstein Glasson dropped 6.7 per cent to $4.06, a 10-month low. The retailer warned shareholders its margins may be squeezed in the second half on rising costs and unfavourable foreign exchange movements.
Rakon rose 1.7 per cent to 30.5 cents after extending its banking facility by $6m to help fund the anticipated increase in demand for the latest mobile telecommunications infrastructure.