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After-hours buzz: AMZN, TXMD & more

A pigeon stands on the steps of Federal Hall across from the New York Stock Exchange in New York.
Victor J. Blue | Bloomberg | Getty Images

Check out which companies are making headlines after the bell on Monday:

Amazon shares were up slightly after reports that the e-commerce giant envisions opening more than 2,000 of its Amazon Fresh grocery stores over the next decade. Earlier Monday, the company announced the launch of its new Amazon Go stores, which will have no registers. Instead, shoppers scan into the store with their free Amazon Go app, shop as normal, and leave the store with the items billed to their Amazon.com account.

TherapeuticsMD shares spiked more than 20 percent in extended trade Monday after the company announced positive top-line results from one of its phase 3 trials. The hormone therapy for the treatment of vasomotor symptoms — such as night sweats, hot flashes and sleep disturbances — due to menopause demonstrated positive results. "If approved, this drug product candidate is poised to address the significant demand for bio-identical hormone therapy," CEO Robert Finizio said in a news release. Vasomotor symptoms affect as many as 60 to 80 percent of all menopausal women.

Shares of Kinder Morgan were up more than 1 percent after the company announced preliminary 2017 financial projections. President and CEO Steve Kean said in a release that the company expects to generate $4.46 billion of distributable cash flow. He said the company is also confident in its outlook for growth, which is largely supported by its $13 billion backlog of energy infrastructure expansion opportunities expected to be completed over the next few years.

—CNBC's Anita Balakrishnan contributed to this report.