US STOCKS-Wall St rally holds steady as Brexit chances weaken
* Britain to vote on EU membership on Thursday
* Three indexes post biggest pct gains in 4 weeks
* Indexes up: Dow 1.11 pct, S&P 1.08 pct, Nasdaq 1.53 pct (Updates to early afternoon)
By Yashaswini Swamynathan
June 20 (Reuters) - Wall Street held its rally steady on Monday, with the S&P and the Dow recovering last week's losses after the latest polls showed an increased possibility of Britain remaining in the European Union.
Uncertainty about the consequences of Britain leaving the European Union sent global markets into a tizzy last week, with investors flocking safe havens such as gold and the yen. Britain will vote on its membership on Thursday.
"If I had a seatbelt while watching the markets, I'd put it on," said Kim Forrest, senior equity research analyst at Fort Pitt Capital Group in Pittsburgh.
"It's still a very close call, but this at least gives the markets a little bit of hope."
At 12:31 p.m. ET (1631 GMT), the Dow Jones Industrial Average was up 195.56 points, or 1.11 percent, at 17,870.72. Continuación...