Why is the Macquarie Telecom (ASX:MAQ) share price down today? Marc Sidarous | March 4, 2021 4:16pm | More on: Image source: Getty Images Macquarie Telecom Group Ltd(ASX: MAQ) shares headed lower today, falling 3.35% to $46.97 by the market’s close. Just one of many companies that have taken a hit in today’s ASX market slump, the Macquarie Telecom share price slide also comes on the heels of news the telecom service provider has signed a new deal with Optus. Let’s take a closer look at the company’s new agreement. Macquarie Telecom just said ‘yes’ Telstra Corporation Ltd(ASX: TLS), in favour of Optus.