Business Online retail sales cross $4.5 billion-mark during festive week: Forrester Updated : October 21, 2020 07:58 PM IST According to Forrester estimates, $4.5 billion in sales in the first week is nearly 20 percent over and above the festive week sales last year. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.