BUZZ-Australia's Qube shares up; antitrust watchdog waves through Asciano buyout
** Diversified logistics firm Qube Holdings Ltd's shares rise as much as 5.1 pct to a more than two-month high of A$2.48
** Australia's antitrust watchdog gives green light to buyout of Asciano Ltd by a global consortium that includes Qube
** The $6.79 bln buyout deal must still be approved by Australia's Foreign Investment Review Board
** Qube shares post their biggest intraday pct gain since March 17
** Asciano shares rise as much as 1.1 pct in early trading (Reuters Messaging: firstname.lastname@example.org)
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