NEW YORK--(BUSINESS WIRE)--The competition for Mexico's auto lending market is increasingly being won by the captive financing arms of auto manufacturers, while Mexican banks' market share in auto lending is eroding amid the country's solid growth in light vehicle sales, says Fitch Ratings. As a greater share of the market is potentially lost, we believe that Mexican banks with revived credit demand could seek new strategic partnerships with automotive firms in order to remain competitive in th