Barry Rosenstein's JANA Partners earned an estimated $300 million from its 8% stake in Whole Foods Market, possibly prompting further investments.
The Seattle-based e-commerce behemoth promises to make deliveries in as little as two minutes.
Amazon CEO Jeff Bezos faces a daunting challenge in successfully overtaking the $13.7B Whole Foods.
Victory Salute: JD.com's stock growth is nearly triple Amazon.com's
When Amazon.com enters a merchandise category, shares of rivals plunge. However, 20 industries seem safe.
The online giant offers a big-picture view: Heavy spending may eat into Q2 profits.
In the future, the company may deliver packages with a shipping label that incorporates a parachute.
The meal-kit delivery service business is booming and although Blue Apron took the plunge to public, the rest face potential stiff competition from retail giants.
Amazon shares hit fresh highs this week as investors look forward to the company's move into new industries.
Amazon is reported to have filed for a patent for meal kit delivery, spooking Blue Apron investors.