Amazon said Cyber Monday and Black Friday were the biggest shopping days in its history.
The online retail giant didn't disclose sales figures, but it said customers ordered more than 180 million items during the five days from Thanksgiving to Cyber Monday, adding that the latter was its biggest single shopping day ever.
Cyber Monday likely hit $7.9 billion in sales across all retailers, making it the biggest online shopping day yet, according to an estimate from Adobe. That represents a roughly 20 percent increase from last year. Online sales for Thanksgiving Day and Black Friday likely reached $3.7 billion and $6.2 billion, respectively, Adobe said. Read more