Three Shelby County municipalities saw healthy increases in their sales tax revenues for July while the other two cities in the county saw decreases.Joaquin posted the largest increase with a 19.23 percent upswing in its revenue, pulling in $39,584.12 this year, over last year’s $33,197.91. Year to date, the city has received $316,176.16, an increase of 9.57 percent, up from last year?...