<p>US group Nvidia Corp's planned $40 billion purchase of British chip designer ARM is likely to be subject to a lengthy inquiry after a UK regulator found the deal would hit competition and could weaken rivals.</p>.<p>Britain's Competition and Market's Authority said the takeover could lead to "significant competition concerns".</p>.<p>It said Nvidia had offered remedies to lessen the impact but the CMA did not believe they would alleviate its concerns.</p>.<p>"The CMA found that the merger should be progressed to an in-depth Phase 2 investigation on competition grounds," it said. </p>
<p>US group Nvidia Corp's planned $40 billion purchase of British chip designer ARM is likely to be subject to a lengthy inquiry after a UK regulator found the deal would hit competition and could weaken rivals.</p>.<p>Britain's Competition and Market's Authority said the takeover could lead to "significant competition concerns".</p>.<p>It said Nvidia had offered remedies to lessen the impact but the CMA did not believe they would alleviate its concerns.</p>.<p>"The CMA found that the merger should be progressed to an in-depth Phase 2 investigation on competition grounds," it said. </p>