Sterling slumped by about 2 cents to $1.27 after the poll suggested May's Conservative Party would not win enough seats in Parliament to take office alone, a shock result that would plunge domestic politics into turmoil and could complicate Brexit talks.
Comey told U.S. lawmakers in a congressional hearing he had no doubt that Russia had interfered with the 2016 election but was confident that no votes had been altered. The Dow briefly hit a record intraday high of 21,265.69 during his testimony, while the Nasdaq Composite closed at a record high after a boost from Yahoo (>> Yahoo !) and Nvidia (>> NVIDIA Corporation) shares.
The FTSEurofirst 300 of top European equities briefly hit a three-week low of 1,526.29 after the ECB said subdued inflation meant it would continue to pump more stimulus into the region's economy.
In reference to Comey's testimony, Jefferies & Co money market economist Thomas Simons said: "I think the market is taking less of an alarmist review of this situation because there is no smoking gun here. So it's not particularly impactful for thinking about... Trump's economic agenda to go through."
MSCI's all-country world equity index <.MIWD00000PUS> was last down 0.08 percent, at 467.24.
The Dow Jones Industrial Average <.DJI> closed up 0.04 percent at 21,182.53. The S&P 500 <.SPX> closed up 0.03 percent at 2,433.79. The Nasdaq Composite <.IXIC> ended up 0.39 percent at 6,321.76.
Europe's broad FTSEurofirst 300 index <.FTEU3> closed down 0.04 percent at 1,528.71.
May had called the snap election in a bid to strengthen her hand in Brexit negotiation, and she been expected to win a larger parliamentary majority.
S&P 500 e-mini futures fell 0.15 percent, while prices of U.S. 10-year Treasury futures rose.
"Theresa May appears to have lost her electoral gamble," wrote Karl Schamotta, director of global product and market strategy at Cambridge Global Payments, in a briefing note. "Major risks lie ahead for the pound, and for risk-sensitive assets globally."
ECB DECISION
The euro hit its lowest since May 31 against the U.S. dollar, of $1.1196
Oil prices edged lower, with benchmark Brent crude and U.S. crude prices hitting respective one-month lows of $47.56 and $45.20 after an unexpected surge in U.S. inventories and the return of more Nigerian crude aggravated concerns about a worldwide glut.
Brent crude
U.S. Treasury yields edged higher as investors focused on next week's expected interest rate increase by the Federal Reserve, with benchmark 10-year yields
The dollar's gains pushed gold prices lower. Spot gold prices
(Additional reporting by Marc Jones in London, Sam Forgione, Saqib Iqbal Ahmed, Dion Rabouin, Julia Simon and Gertrude Chavez-Dreyfuss in New York; Editing by Chizu Nomiyama and Dan Grebler)
By Noel Randewich
