NEW YORK (TheStreet) -- It's not difficult to switch his focus from social media to online payments as he simultaneously runs Twitter (TWTR) - Get Report  and Square (SQ), Jack Dorsey said during an interview at the Money 2020 conference with CNBC's Kayla Tausche that was aired on "Squawk Alley" on Tuesday morning. 

"Is it easy to toggle between the two topics?" Tausche asked. 

"Commerce, trading, money, selling goods and services is foundational, and I think it's as foundational as communication. And I think we've complicated them. I think our goal is to make it a whole lot easier and that's what we're focused on. So I don't really consider it a shift," he said. 

His comments come as a number of investors are concerned that he is spread too thin by running two companies at the same time, including LMM (LM) Chief Investment Officer Bill Miller who spoke about Dorsey on CNBC's "Closing Bell" on Monday afternoon.

"It is insane to have Jack Dorsey be a part-time CEO at a company with the issues that Twitter has," Miller said. "I mean if a part-time CEO makes sense then so does a part-time CFO, part-time chief technology officer," he argued.

Dorsey's main goal is to "work on things that people interact with every single day," he told Tausche. 

"Elon Musk solved the problem by just merging his two companies. Would there ever be synergies between the two companies?" Tausche asked. 

"The companies have worked together. So yes, we have had partnerships," Dorsey said with a smile. 

Dorsey is always "very curt and polite" when talking about his two companies, Tausche said after the interview. "So we got what we could," she said. "But it's a reality for him and for the company, and its a reality that's coming into sharper focus about how these companies are operating, whether they're in tandem or whether they begin to diverge."

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When asked about switching Twitter's 2016 third quarter earnings call from after the market closes on Thursday to before the market opens, Dorsey declined to comment. He also declined to comment on the potential sale of Twitter or what Twitter's future will look like, Tausche noted. 

For the 2016 third quarter, analysts surveyed by FactSet are expecting earnings of 9 cents per share on sales of $604 million. For the 2015 third quarter, Twitter reported earnings of 10 cents per share on revenue of $569 million.

Shares of Twitter and Square were lower in early afternoon trading on Tuesday. 

Separately, TheStreet Ratings objectively rated this stock according to its "risk-adjusted" total return prospect over a 12-month investment horizon. Not based on the news in any given day, the rating may differ from Jim Cramer's view or that of this articles's author.

TheStreet Ratings team rates Twitter as a Hold with a ratings score of C. The primary factors that have impacted the team's rating are mixed - some indicating strength, some showing weaknesses, with little evidence to justify the expectation of either a positive or negative performance for this stock relative to most other stocks.

You can view the full analysis from the report here: TWTR

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