Amazon's fourth annual Prime Day kicked off Monday to much fanfare, but it didn't quite go off without a hitch.
Some users [reported](https://twitter.com/CNET/status/1018934859505385472) getting error messages, while others got stuck in a loop that kept redirecting them back to the main sale site.
The issues came in the opening minutes of what the e-commerce giant has touted as a shopping holiday bigger than Black Friday or Cyber Monday. Research firm eMarketer estimated the company could bring in revenues of as much as $3.4 billion during the event, eclipsing the estimated $2.4 billion spent last year.
Whether the glitches affect results will be closely watched by analysts and investors ー shares of Amazon, which hit all-time highs early in the day Monday, pared gains after news of the problems.
Prime Day began at 3 pm ET on Monday and lasts 36 hours. This year's event is six hours longer than last year's.
Taylor Swift's concert tour has dominated the box office in recent days and it's also the top-grossing concert film of all time here in the U.S. But a conversation on social media raised questions about movie etiquette and videos shared show film audiences singing, shining their phone flashlights and dancing in the aisles.
Stocks fell at the open Tuesday as the 10-year Treasury yield spiked following retail sales data and bank earnings, raising concerns over more rate hikes. Investors are also keeping an eye on tensions in the Middle East and its potential effect on global markets.
