According to Adobe Analytics, retailers with more than $1 billion in revenue saw a 54 percent increase in sales on Prime Day, compared with an average Tuesday.
More shoppers signed up for Amazon's Prime membership on July 16 than any previous day in Amazon history.
Target held its own special one-day sale in tandem with Prime Day, offering shoppers who spent $100 or more a deal on its Shipt delivery service.
Shares of Amazon ticked lower on Wednesday despite the e-commerce giant reporting its annual Prime Day was its biggest sales event ever.
This year, Prime Day started at 3 p.m. vs. 9 p.m.
Shares of Amazon fell off session highs immediately following the rocky start to Prime Day.
Amazon's fourth annual Prime Day comes amid rising fuel costs.
Prime and non-Prime shoppers alike are increasingly viewing Prime Day as a midsummer event not limited to Amazon, and retailers would be wise to take advantage of that.
Amazon Prime members who spend $10 at Whole Foods starting July 11 through the end of Prime Day will receive a $10 Amazon credit to use on Prime Day.
A longer promotional period and new global geographies in Amazon's Prime ecosystem will likely boost sales to $3.4 billion globally, according to Coresight Research.