 Brazilian stocks at over four-month high Real set for best day in nearly three weeks Argentine peso continues to weaken Adds background, updates prices By Susan Mathew and Ambar Warrick July 20 Reuters - Most Latin American currencies came off early losses on Monday, trading higher amid increased bets for a COVID-19 vaccine after a wave of positive early-trial data. Early data from trials of three potential coronavirus vaccines released on Monday, including a closely watched candidate from Oxford University, increased confidence that a vaccine can train the immune system to recognize and fight COVID-19 without serious side effects. Most Latin American currencies gained on the news, with analysts positing improvement in regional risk assets as more countries in the region scale back virus-related lockdowns. 