https://www.reuters.com/article/us-uber-argentina-protest/anti-uber-protests-flare-in-argentina-as-firm-prepares-ipo-filing-idUSKCN1RN1T0 >Taxi drivers took to the streets of Buenos Aires on Thursday to protest against Uber, underscoring the challenges the ride-hailing giant faces in the fast-growing Latin American market as it prepares to file a much-anticipated initial public offering.