Xero shares were down 9.18% to $30.06 (for a market cap of $3.8 billion) in midday trading as the stock fell to levels not seen since last November.
The stock [NZX:XRO] has been battered over the past fortnight, and is now well off its all-time high of $45.01, hit on March 6, which valued the company at $5.47 billion.
Xero has been caught up in a worldwide selloff of tech stocks - a phenomena that returned this morning NZ time as the Nasdaq fell 3.10%, reversing a small recovery earlier this week.
Biotechs have been hit by the selloff too, including Pacific Edge [NZX:PEB] on the local exchange, down 5.74% in midday trading to also hit a five-month low.
Investors fear a new tech bubble as earnings season approaches in the US, IG markets strategist Evan Lucas told NBR earlier this week. There has been an associated re-focus on traditional earnings and revenue metrics, Mr Lucas said, just as Xero was announcing it had more than doubled its annual loss.
Xero has also been hit by a wave of negative comments from analysts over the period, with Goldman Sachs initiating the stock with a "sell", and others downgrading it.