The index effect: How being a top company tops up shares

Mon, 21 Sep 2020

This week's addition to the S&P/NZX 50 Index, Serko, saw its share price climb 12 percent in the past week. In recent years, only Pushpay Holdings — with a 20 percent increase — has seen a bigger bump in a trading week leading up to a new entrant joining the index.Typically, a change to the lineup is announced on a Friday 10 days before actual inclusion on the Monday week.That leaves a full five-day week of trading from the time a stock's inclusion is announced to when it officially becomes part of the index.Serko&#...

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