Amazon.com

Shares of Barnes & Noble plunged 17 percent after the book retailer said it's evaluating the possible sale of its Nook e-reader and tablet business. The company also said that as a result of investments in growing its Nook business and slow sales of its $99 Nook Simple Touch e-reader — which competes with rival Amazon's Kindle e-reader — it expects to post a loss for the year of $1.10 to $1.40 a share.

Customer experience analytics firm ForeSee released the results of its annual Holiday E-Retail Satisfaction Index, showing that after seven years spent jockeying for first place in the Index, Amazon and Netflix are headed in divergent directions.

A small shop owner is standing up against Amazon.com and its recent promotion urging customers shopping in brick-and-mortar stores to use its price check app. By scanning a barcode in the store, Amazon would give the customer a 5 percent discount, up to five dollars.

Amazon.com announced plans to open two fulfillment centers in Virginia, investing a total of $135 million. The company said it will invest $85 million and create more than 1,000 jobs in Chesterfield County, and invest $50 million in Dinwiddie County, creating more than 350 jobs.

Behind the piles of smiley-faced Amazon.com boxes arriving on doorsteps this holiday season are workers like Ray and Sarann Williams. The retired couple are part of the swarm of seasonal employees taking up temporary residence in this small desert city — home to one of Amazon's warehouses — to help the online-retail giant fulfill its influx of holiday orders.

While some have their shopping completed and presents wrapped under the tree, the holiday shopping season isn't over yet. There are a few critical shopping days remaining that savvy online retailers can take advantage of by following these tips:

Ever wondered how your Amazon order gets to you, or what's involved? We show you what happens, step-by-step, from when you click to purchase to when the van arrives at your door.

eBay is partnering with three major retailers to get online shoppers to also buy at brick-and-mortar stores. The partnership is an obvious comeback to last weekend’s promotion by Amazon, which motivated consumers to browse in a retail store — but to walk out empty-handed.

Millions of Americans are turning to Amazon.com to put the finishing touches on their holiday shopping. But don’t count the celebrity super couple of Brad Pitt and Angelina Jolie among the throngs browsing the virtual aisles of Amazon.

A backlash is growing against an app designed to help consumers scope out products at local stores, compare them to similar goods on Amazon and then leave the stores empty-handed to make their actual purchases online.