The Chinese telecom equipment giant gets about one-third of its components from American companies.
White House press secretary Sean Spicer did not give any more specific evidence to back Trump's claim.
NBC News recaps some of Trump's biggest whoppers since taking office:
Trump said "we should start an immediate investigation" into Schumer's ties with Russia.
President Donald Trump said he has "total" confidence in Attorney General Jeff Sessions.
Trump, Ryan and many Republicans said Sessions should not distance himself from Russia-linked investigations outright.
Sessions, the top U.S. law enforcement official, has faced calls to recuse himself from investigations or resign.
If the marijuana stocks start jumping, then you know Wall Street believes the anti-pot attorney general could be in hot water.
Sessions said Tuesday the Justice Department will limit its use of a tactic employed aggressively under President Obama, NBC News reports.
The White House spokesman's comments were viewed as a signal that the administration may target the recreational market.
"Drugs are becoming cheaper than candy bars. We're not going to let it happen any longer," Donald Trump said.
Flynn's departure raises several questions as the Trump presidency nears the four-week mark.
The U.S. Justice Department on Monday said a Seattle federal judge should not conduct further proceedings until after a U.S. appeals court reviews the ban.
Trump has called the NSA leaker a "spy" and a "traitor" who deserves to be executed, NBC News reports.
The court has some options beyond a straightforward yes or no, NBC News reports.
A jet belonging to Malaysian tycoon Low Taek Jho, under investigation regarding the scandal-hit 1MDB, was reportedly seized.
"The district court therefore erred in entering an injunction barring enforcement of the order," the Justice Department argued.
Trump's travel ban is forcing Iranian-German tech entrepreneur Amin Shokrollahi to look outside the U.S. for future growth.
The Washington Post reported the figure, citing a government attorney at a federal court hearing in Virginia.
CNBC's John Harwood reports that the Senate Judiciary Committee has voted to send Sen. Jeff Session's nomination to be attorney general to the Senate for a full vote.