** U.S.-listed shares of Peruvian companies fall as tight presidential race fuels fears of volatility

** Shares of financial holding company Intercorp Financial Services IFS.N drop 2.8%, while Credicorp BAP.N falls 4.8%

** Mining firm Buenaventura BVN.N slips 3% and iShares MSCI Peru and Global Exposure ETF EPU.N down 1.4%

** "Polls suggest the race remains exceptionally tight, leaving markets facing genuine uncertainty," says Andres Abadia, chief LatAm economist at Pantheon Macroeconomics, noting that the country has had eight presidents in the past decade

** However, Abadia said a victory for conservative presidential candidate Keiko Fujimori would reduce fears of abrupt policy changes and preserve confidence in the economy

** Fujimori had a slight lead over her leftist rival, Congressman Roberto Sanchez, in a runoff election

** Meanwhile, the local equities benchmark in Peru .MXNUAMPESCPGPE fell 1.5%