But Trump's slight edge in Florida, Virginia and North Carolina gave him an advantage in the state-by-state fight for 270 Electoral College votes needed to win.
Financial markets reacted violently.
Wall Street had added somewhat to Monday's stellar gains with the Dow .DJI ending up 0.4 percent. Dow Jones Industrial Average futures were off 4.1%.
An eventual Trump victory "creates all sorts of unknowns" not only in terms of which policies will be implemented but also their timing, he said.
She said investors were facing a "triple whammy" with the Republicans projected to take control of the US Senate and House of Representatives as well as the White House.
The return only averaged 8.9 per cent when the Republicans controlled the presidency and Congress.
The S&P 500 futures index has given up early gains to tumble 3.1 per cent, while the Nikkei has fallen 2.2 per cent and Australian equities have dropped 1.6 per cent.
The market-implied chance of a December rate hike plunged to 47 percent, based on US overnight indexed swaps that trade 24 hours a day, compared to 82 percent at 5 p.m. The peso was last down more than 12 percent against the greenback.
The scene was reminiscent of the turmoil that engulfed global financial markets after the June Brexit vote, when British voters opted to leave the European Union in a decision that wrongfooted investors and bookmakers.
The markets paused yesterday as voting began in the USA, but over the course of the day, began showing signs of nervousness as stocks that initially opened higher began falling, such as Japan's Nikkei Stock Average, reported the Wall Street Journal.
WALL STREET: Safe-play stocks such as utilities and phone companies were among the biggest gainers Tuesday as investors focused on the USA presidential election.
The euro also rose 1.3 percent against the dollar, while gold soared 2.3 percent to $1,312.20.
An air of anticipation gripped Asian markets on Wednesday as investors wagered the interminable US election would end with a win for Democrat Hillary Clinton, widely considered a safe pair of hands at home and on the world stage.
European shares looked set to follow with losses of more than 4 percent as every new TV network projection in the USA election showed the race to be far closer than anyone had thought, sending investors stampeding to safe-haven assets.
Risk aversion is king ahead of the open in Europe, with Gold up more than 3%, the yen and Swiss franc safe havens soaring.
Here's what some of them had to say about the markets reacting to the election.
Ukip split over Farage plan for protest march on court
UKIP leader Nigel Farage has admitted on live television that the European Union referendum was advisory. A United Kingdom -based gambling firm says Donald TrumpDonald TrumpRove: Trump should let George W.
"Or at least 3 of them - it might be 4 when the prospect of a clean sweep of Congress sinks in".
Markets hate uncertainty - and many investors believe Donald Trump's unpredictable nature and anti-trade stance could bring lots of global uncertainty if he wins the presidency.
Japan's top currency diplomat signalled Tokyo's readiness to intervene if necessary as the surging yen threatened to snuff out its fragile economic recovery.
The Mexican peso fell against the USA dollar, hitting record lows.
Trump's anti-Mexico rhetoric has affected the value of the peso for weeks.
Earlier, Wall Street and European markets closed higher - but are now predicted to fall sharply when trading resumes.
The dollar slumped 3.1 percent at 101.890 yen in a volatile day that saw it rise to 105.480 earlier, when last-minute projections from the previous day put Clinton in favour.
The MSCI Emerging Markets Currency dropped 0.8 percent at 12:06 p.m.in Hong Kong, halting a two-day gain, as 10-day historical volatility jumped to the highest level in nearly three weeks.
Asian stocks also skidded, with MSCI's broadest index of Asia-Pacific stocks outside Japan down more than 3 per cent, and the Nikkei sinking almost 5 per cent.
With voting completed in more than two-thirds of the 50 USA states, the race was still too close to call in Michigan, Wisconsin, Pennsylvania and New Hampshire, states that could be vital to deciding who wins the presidency.
Markets have tended to favor Clinton as a status quo candidate who would be considered a safe pair of hands at home on the world stage. Analysts had no such certainty about Trump.
Even before concerns about a Trump victory were taken seriously, the peso was one of the worst-performing major currencies this year due to worries about a bailout of state-run oil company Pemex and ballooning government debt.
The yield on South Korea's 10-year bonds fell 10 basis points to 1.60 percent.
Mexico's peso MXN=D2 hit its highest in two months while the Canadian currency CAD= notched a two-week peak.
ENERGY: Oil prices skidded, with benchmark US crude futures lost down $1.05 to $43.93 a barrel in electronic trading on the New York Mercantile Exchange.