Although Amazon is still dominant in the category, tons of department stores and retail brands have digital platforms. Players like Etsy Inc (ETSY - Get Report) and Ebay Inc (EBAY - Get Report) are strong, and Walmart Inc. (WMT - Get Report) is seeing its e-commerce business explode.
Walmart's e-commerce sales grew 43% year-over-year in its last quarter, blowing analyst expectations out of the water. So, how can investors get exposure to this space?
"E-commerce is really a question for the entire retail space at this point," Mike Loewengart, vice president of investment strategy at E*Trade said. "When we think about the results that we saw out of Walmart, that certainly bucked the trend of the broader retail numbers."
He added that Walmart's e-commerce growth is consistent with the rest of the business.
According to Loewengart, here are "key names that are worth paying attention to" in e-commerce: