NZX extends trading hours for S&P Global Index change 15 Apr, 2021 11:30 PM 2 minutes to read The NZX ticker on the building downtown Supplied 19 OCT 2015 HBG 08Dec15 - COMPETITIVE: Lower than hoped customer numbers aren't helping, but Contact's cash flows are still good, an adviser says. The NZX ticker on the building downtown Supplied 19 OCT 2015 HBG 08Dec15 - COMPETITIVE: Lower than hoped customer numbers aren't helping, but Contact's cash flows are still good, an adviser says. The NZX is extending its trading hours by 45 minutes today to accommodate changes arising from the rebalancing of the S&P Global Clean Energy Index.