Amazon Prime Day sales looked bumpy at first this week, with year-over-year comparisons for the first two days down. But by Friday, early data showed solid sales for the tech giant despite economic uncertainty. The Seattle-based e-commerce company has somewhat diluted the annual online sales bonanza. What was once a one-day event soon grew to two days. This year, Amazon stretched it over four days from Tuesday through Friday. Since 2022, the company has also duplicated the event with a Prime Big Deal Days e ...