Mr Trump has drawn strong criticism from both Republicans and Democrats over his initial reluctance to blame Russian Federation for alleged meddling in the 2016 U.S. elections that he won.
Trump's public doubting of Russia's culpability for interference in 2016 - though he tried to "clarify" his remarks a day later - sparked bipartisan condemnation in Washington and sparked congressional lawmakers to look once again for ways to tighten sanctions on the longtime U.S. foe.
By the time Trump arrived back in the US, the parade of critical statements had become a stampede, leaving the president the most isolated he'd been in the White House since last year's controversy over white supremacist protesters in Charlottesville.
But the US oil and gas industry is lobbying against the bill due to worries that heightened sanctions could impact USA investments in Russian Federation, congressional sources said.
However, White House spokesperson Sarah Sanders said later that day that his remark was misunderstood, and that he was saying "no" to answering further questions from reporters.
After he left Helsinki, Trump reportedly grew frustrated with the negative media coverage of what he thought was a successful summit, complaining to aides there was not enough focus on the responsibility the Democratic National Committee had in the hacking of its servers.
He said that Republicans also didn't want to investigate whether Moscow was funneling money through the National Rifle Association, a group that alleged Russian agent Maria Butina got cozy with in advance of the 2016 election.
Since the summit, the White House has been engulfed in crisis after crisis as Trump dug himself into a deeper hole vis-a-vis Russian Federation even after arriving back in the US.
President Putin said "useful agreements" had been reached during the summit but we don't know what they are. Congressional midterm elections will take place in November. "But Putin uses disinformation & the law to silence his critics or chase them out of the country as you know well".
The shock disclosure blindsided the US President's intelligence chief Dan Coats who was speaking at a security conference when the news broke and responded with "OK".
Then following surprised laughter, Mr Coats said: "Okay, that's going to be special".
It has been one of the most controversial weeks of Donald Trump's presidency but has it damaged his popularity?