The Australian Financial Review (subscription required) have reported that Barrenjoey Capital Markets have significantly increased their interest in Southern Cross Austereo (SCA) after a trade with ARN. $14.3 million worth of shares were traded at 75¢, down from the last close price of 81¢ and from the $1.08 premium per share that ARN bought them for in the first place.

This news comes not even 24 hours after News Corp traded its entire 13% stake in ARN, more than 40 million shares at 44c per share. Barrenjoey Capital Markets now have an 8% stake in SCA.

Neither ARN or SCA have yet made any announcements to their shareholders of either transactions. ARN’s share price spiked up as high as 49c earlier today. SCA’s were down from 82c to 80c.