Media reports say Amcor could announce a multi-billion dollar takeover in the US today.
The Wall Street Journal reported that Amcor is in advanced talks to buy a smaller American packager, Bemis Co (http://www.bemis.com).
Shares of Bemis, which has a market value of about $US4.20 billion ($A5.67 billion), closed up 11.27% at $US51.53 on Friday. The shares are up 21% in the past month.
A deal could be announced as this week, perhaps today
Reuters said a spokesman for Amcor declined to comment.
Amcor is due to release its 2017-18 results in the next week.