probably explains the price rise today.
http://www.tradingroom.com.au/apps/view_breaking_news_article.ac?page=/data/news_research/published/2012/10/281/catf_121007_175700_1497.html
Of particular note was this comment,
"The airline said codeshare revenues from Virgin Australia were up 16 per cent in the three months to September, compared with the prior corresponding period"
