PRE-MARKET AUSTRALIAN STOCKS NEWS: Orica (ORI AT) is reportedly exploring a sizeable US mining chemicals acquisition

Cochlear (COH AT) - Co. reaffirmed FY27 guidance for low-single-digit constant currency revenue growth and underlying net profit of AUD 330-350mln, with trading through October in line with expectations and developed market cochlear implant volumes rising mid-single digits; expects modest developed market revenue growth in FY27, while North America President Lisa Aubert will step down and depart later this year. (Dow Jones Newsplus)

Lendlease (LLC AT) - Co. commenced the redemption of AUD 1.22bln in outstanding bonds, expected to complete by end-November using a AUD 1.25bln committed standby facility, with post-redemption liquidity exceeding AUD 2.5bln and total redemption costs of AUD 57mln, comprising AUD 7mln in make-whole payments and AUD 50mln in hedge termination costs. (Dow Jones Newsplus)

Orica (ORI AT) - Co. is reportedly exploring a sizeable US mining chemicals acquisition, although sources suggest a deal is not imminent. (The Australian)

Westpac (WBC AT) - Co. reportedly recorded a 30% decline in new-build approvals, with its CEO calling for urgent measures to address Australia's housing crisis amid a downturn in construction lending. (The Australian)

Property - Westpac and ANZ chiefs warned MPs that mortgage pain is just beginning. (AFR)

The Australian Taxation Office (ATO) is reportedly targeting business rollovers for audits, raising concerns among experts that the crackdown could disrupt billions of dollars in legitimate business transactions. (The Australian)

Reported exploration of a US mining chemicals acquisition, with sources stressing a deal is not imminent, sits at the very front of the M&A sequence: interest flagged via press before any process confirmation, let alone terms. In past episodes of this kind for Orica, the read-through has hinged on funding mix and strategic fit; the company has historically alternated between organic investment in its blasting and chemicals franchises and bolt-on deals, and acquirers in this space have typically faced the leverage question first, with equity raises or hybrid structures a familiar follow-on when the target is described as sizeable. The US angle matters because it would deepen an existing Americas footprint rather than open a new geography, which tends to draw fewer integration sceptics than transformational moves. What carries signal next is whether the story firms into process reporting, whether management comments on capital allocation at scheduled appearances, and how the balance sheet is framed against prior commitments to returns. Given the explicit caveat that nothing is imminent, the usual pattern is limited initial reaction beyond the speculative premium fading without confirmation. The accompanying Lendlease bond redemption is a separate, mechanical credit story with no bearing on the Orica read.