Online property advertiser REA Group's expansion plans and 37 per cent profit growth have failed to impress investors.
The owner of realestate.com.au made a $149.9 million net profit in the year to June - up $40 million on the previous year.
But its shares plunged 8.65 per cent, or $4.05, to $42.78, making it one of the market's worst performers on Friday.
IG market strategist Evan Lucas said the annual results for the News Corp owned company had not met expectations for such expensive stock.
"It was actually a pretty disappointing result despite the headline figures," he said.
"They missed estimates ... by probably five or six per cent.
"And there wasn't a huge amount of forward guidance as to how the company is going to continue to grow at that kind of rate."
REA's interim chief executive Peter Tonagh said the company's growth would be helped by its newly purchased 17 per cent stake in Asian property advertiser iProperty Group, and the rollout of a new real estate agent profile business.
He did not rule out further acquisitions in the year ahead.
"I'm very confident we'll continue to deliver growth," Mr Tonagh said.
"I think we've made it clear that we see that there's a lot of opportunities in this sector."
"Where we see opportunities, than sure, we'll invest in them."
Total revenues across the group's Australian, European and Asian businesses rose by 30 per cent to almost $437.5 million in the 2013/14 year.
REA's Australian business continues to be the star performer, generating $392 million in revenue.
Former Microsoft executive Tracey Fellows will officially take over as chief executive on August 20.
REA GROUP'S EXPANSION BOOSTS PROFIT
* Net profit of $149.9m, up 37 pct from $109.7m in 2012/13
* Revenue of $437.5m, up 30 pct from $336.5m
* Final dividend of 35 cents per share, up from 25.5 cents
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