Opening Bell: Brexit hits Irish professionals, Facebook v ad blockers, William Hill rejects takeover

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New figures show that the Brexit vote is having a negative impact on job creation for professionals in Ireland.

The Morgan McKinley Monthly Employment Monitor shows that professional job opportunities rose by 2% in July - but the number of vacancies are down by 8% on the previous year.

However, it also notes that 19% fewer professionals were looking for roles in July when compared with the same period 12 months ago.

The pharma, medical devices and IT sectors were the strongest performing industries for job creation.

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Facebook has apparently had enough of ad blockers - and is now blocking them on the desktop version of its service.

The company insists well-made, relevant ads can be "useful." It will allow users to opt-out of ads from certain companies, helping them to only see promotions for products and services that they are interested in.

The changes do not affect the mobile Facebook app.

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British bookmaker William Hill has rejected what it has called a "highly opportunistic" takeover attempt.

Rank Group and 888 Holdings offered £3.6bn to buy the company.

It said that this proposed deal "substantially undervalues" the company.

The offer comes after a series of consolidations in the bookmaking industry, which has left William Hill as one of the largest stand-alone operators.

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The Bank of England's bond buying programme is facing trouble, on its second day it could only buy bonds worth £1.12bn - well below its £1.17bn target.

This signals that investors have doubts regarding the bank's ability to find enough willing sellers to complete its revived £70bn quantitative easing programme.

The Bank of England said that it is confident that future auctions will be completed in full.