Jack Henry and Associates, also known as Jack Henry is an American company founded in 1976 and devoted to financial technology and payment processing services, mostly for community banks and credit unions. They assist regional banks and credit unions to control risk, make regulatory filings and add or improve their online banking services. Jack Henry stock trades on the NASDAQ exchange under the symbol JKHY, and is also part of the S&P 400 for mid-size American companies. Wikipedia