Plans by Amazon and vacuum cleaner maker iRobot to merge have been abandoned following concerns that the move would harm competition. The $1.4bn (£1.1bn) deal, which was first announced in August 2022, had previously been approved by UK regulators. But in November the European Commission expressed concerns the online retailer might give iRobot's products preferential treatment on its website - ahead of rival vacuum companies - if the merger went ahead. Amazon confirmed on Monday that the deal had now collap ...