BUZZ-Australia's Qube rises as ACCC raises concerns over Brookfield's Asciano bid
** Logistics services provider Qube Holdings Ltd rise as much as 6 pct to over three-week high
** Australia's competition watchdog rejects Brookfield Asset Management Inc's promises in its bid for Asciano Ltd
** Decision seen as blow to takeover proposal backed by Asciano and boosts prospects of rival bid from Qube
** Shares of Asciano are up 0.6 pct
** Qube second biggest pct gainer on S&P/ASX 100 Index (Reuters Messaging: email@example.com)
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