* Dollar gains halt after jump on Fed chief's comments
* Yellen signals rate rise
March 20 (Reuters) - Westfield Group
(Adds statement from China)
* Australian PM says search planes investigating potential de
March 20 (Reuters) - McAleese Ltd
March 20 (Reuters) - McAleese Ltd
(Removes extra word in third para)
* Australian PM says search planes investigating poten
March 20 (Reuters) - Baraka Energy & Resources Ltd
March 20 (Reuters) - Laconia Resources Ltd
March 20 (Reuters) - Metcash Ltd
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March 20 (Reuters) - Donaco International Ltd