Shares in 2016's hottest tech IPO soar up over 15% after reports of a partnership with Amazon (TWLO, AMZN)

Twilio, the publicly-traded San Francisco communications tech company that powers text message notifications for companies like Netflix, Uber, and Coca-Cola Enterprises, closed trading on Wednesday at $34.59.That's a full 15.61% higher than at the opening bell, giving the company a market cap of $3.09 billion.That spike comes after Benzinga reported that Twilio is deepening its partnership with Amazon Web Services (AWS), the $13 billion cloud computing arm of the Amazon retail empire, which helps software developers build and runtheir apps undera pay-as-you-go model.In July 2016, Twilio and AWS inked a deal for the company to power thetext messaging services it offers tosoftware developers; now, that will reportedly expand to include voice messaging, as well. That means that software developers building with AWS would be able toeasily use Twilio to have their apps send audio clips or make phone calls.For Twilio, that would meanaccess to Amazon Web Services' vast base of customers, which is what appearsto be getting investors excited. Twilio tells Business Insider it has nothing to share at this time beyond its existing Amazon partnership, while Amazon has not yet responded to a request for comment.However, the two companies are known to be close. Twilio CEOJeff Lawson gave a well-received keynote presentation at AWS's huge customer conference in Las Vegas earlier this month, in which he hinted that the partnership would be expanded with new collaborations announced "soon."Still, Twilio has had a rough few months on the markets. When Twilio first debuted on the stock market at $15/share in June 2016, it took off like a rocketship, soaring up 90% in its first day of trading. But in late September, Twilio peaked at $68.97 and started sliding downwards a slide that only accelerated when the company announced a secondary share sale.For now, at least, Twilio is making up some lost ground: The stock is trading up around 1.5% in after-hours trading at the time of writing.Here's the chart of Twilio's stock price from its June 2016 IPO to today:SEE ALSO:This former Amazon manager is behind the breakout IPO of 2016 ' and he says Amazon made it all possibleJoin the conversation about this storyNOW WATCH: Watch Amazon make its first drone delivery
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