 I'm Nicole Murray with your Money Now. Shoppers are likely to spend roughly $14 billion during Amazon's Prime two-day shopping event this week. That's according to projections from Adobe Analytics. Spending at Amazon tomorrow and Wednesday could rise 10.5% from Prime Day of last year. The online retailer began holding Prime Day a decade ago, typically in July. Prime Day accounts for up to 2% of Amazon's net global sales. That's according to CFRA Research.