Update: In an interview with Fox Business Network, Sarah Huckabee Sanders said the White House is 'optimistic' about the prospects for a trade deal with China following this week's talks in Beijing.

While this should help reassure markets, it's important to keep in mind that if talks weren't going well, the White House probably wouldn't tell us.

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After the 'mid-level' talks between US and Chinese delegations in Beijing were extended for a third day on Wednesday, the negotiations have reportedly wrapped up, with both sides touting that they are "serious" about coming to an agreement, and that significant progress has been made, according to CNBC.

With the US delegation on its way back to Washington, China's Foreign Ministry hinted that the talks had been a success and said it would soon release a statement on the outcome.

The Editor-in-Chief of China's Global Times said that "though arduous" the trade talks were productive and that both sides were waiting for the US delegation to arrive back in Washington before delivering official statements on the outlook for a deal.