That is hinted at in this AFR article:
CEOs be warned: a new, more aggressive way of short selling has arrived
Read more: http://www.copyright link/markets/equity-markets/ceos-be-warned-a-new-more-aggressive-way-of-short-selling-has-arrived-20170322-gv41g4?&utm_source=social&utm_medium=twitter&utm_campaign=nc&eid=socialn:twi-14omn0055-optim-nnn:nonpaid-27/06/2014-social_traffic-all-organicpost-nnn-afr-o&campaign_code=nocode&promote_channel=social_twitter#ixzz4c6MiudlP
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