Dive Brief:

• E-commerce retailer Jet has raised $140 million in a funding round led by Bain Capital.
• Described by many as Amazon's biggest potential competitor, the e-commerce startup has yet to launch. The company was founded by Marc Lore, co-founder of Quidsi, which ran Diapers.com before being acquired by Amazon for $545 million. 
• According to Fortune, Jet will be a member-based online retailer with deep discounts and a "smart cart" experience. It is expected to launch for a limited amount of members next month, with the full site available in the late spring. 

Dive Insight:

While details about the website are still a bit scarce before its launch, many are betting that Jet will provide the e-commerce marketplace the disruption it needs to shake Amazon's stronghold.

Investors seem confident in this, shown through the recent $140 million funding, and earlier rounds totaling $80 million.