Amazon

Amazon is making these investments due to tougher competition from rival retailers like Walmart and Target

Intensifying the global drumbeat of calls to regulate some of the 21st century's biggest corporate titans

The US Department of Justice is investigating whether big technology companies are engaged in anticompetitive behavior

The launch marks the latest move in the battle for the lead in the nascent US drone delivery industry

To judge whether they engage in anti-competitive practices

Companies reporting this week account for about 30 per cent of the S&P 500’s value

Amazon and Microsoft were selected in April to continue competing for the Pentagon cloud computing services

Move highlights increased scrutiny over tech companies exploiting customers' information

The questioning served largely to convey the panel’s displeasure over many of the companies’ business practices

Walmart, Target and eBay all run their own special promotions to coincide with the annual sale