Major stock indexes Wall Street rose moderately Monday after opinion polls showed the UK increased opportunity to stay in the European Union.

So, published on the eve of public opinion polls recorded the growth of the country's conservation supporters within the EU and reducing the share of support "Breksa". The Opinium poll 44% of respondents support the preservation of the country in the EU and as much support output. YouGov poll shows supporters of the country's excess saving in the EU over the supporters of "Breksita" - 44% versus 43%, respectively. Lose supporters "Brexit" and Survation poll - 45% against 42%. Despite the change of sentiment among the British, the uncertainty about the possible outcome of the popular vote remains extremely high. In the next few days, investors will continue to be directed to the British referendum, which is scheduled for June 23 and the outcome of which will very much depend on further developments in the financial markets.

Oil prices are on track to achieve most of the two-day growth of the past month, as investor confidence in riskier assets increased.

Traders also await speech by Fed Yellen in Congress hoping to get clues on the timing of interest rate rises ..

Almost all the components of DOW index finished trading in positive territory (29 of 30). More rest up shares The Boeing Company (BA, + 2,41%). Outsider were shares of Cisco Systems, Inc. (CSCO, -0,21%).

All Sector S & P Index showed an increase. The leader turned out to be the basic materials sector (+ 1.5%).

At the close:

Dow + 0.73% 17,804.94 +129.78

Nasdaq + 0.77% 4,837.21 +36.87

S & P + 0.58% 2,083.27 +12.05