WASHINGTON (AP) — American consumers increased their borrowing by $20.5 billion in October. It was the biggest gain in 11 months and reflected strong increases in the use of credit cards and in auto and student loans. The October followed a $19.2 billion gain in September and was the best showing since November 2016, the Federal Reserve reported Thursday. The category that covers auto loans and student loans was up $12.2 billion, slightly slower than the $13.2 billion rise in September.Read more on NewsOK.com