Poll: Clinton, Trump tied nationally

Democrat Hillary ClintonHillary Diane Rodham ClintonNSA leaker Reality Winner released from federal prison Monica Lewinsky signs production deal with 20th TV Police investigating death of TV anchor who uncovered Clinton tarmac meeting as suicide MORE and Republican Donald TrumpDonald TrumpDOJ asks Supreme Court to revive Boston Marathon bomber death sentence, in break with Biden vow Biden looking to build momentum for Putin meeting DOJ tells media execs that reporters were not targets of investigations MORE are in a dead heat just two weeks before the presidential election, a poll released Monday shows.

The Investor's Business Daily/TechnoMetrica Market Intelligence Tracking Poll — once called the the most accurate poll of the 2012 election by pollster Nate Silver — gives both Clinton and Trump 41 percent support apiece in a four-way race. 

Libertarian nominee Gary JohnsonGary Earl JohnsonNew Mexico lawmakers send recreational marijuana bills to governor Judge throws out murder convictions, releases men jailed for 24 years On The Trail: Making sense of Super Poll Sunday MORE has 8 percent support, while Jill Stein of the Green Party has 3 percent. 

In a two-way race with no third-party candidates included, Trump and Clinton have 42 percent support each. 

The poll of 815 likely voters has a margin of error of 3.6 percentage points. It was conducted between Oct. 18 and 23. 

In a RealClearPolitics national polling average, Clinton has a 6-point lead over Trump, 48 to 42 percent.