FORTIS INC. $38 (www.fortisinc.com) paid $4.5 billion for UNS Energy in August 2014. This business operates power plants and distributes electricity and gas to 658,000 clients in Arizona. In the three months ended September 30, 2015, UNS increased Fortis’s earnings by 116.4%, to $145 million from $67 million a year earlier. Per-share profits rose at a slower pace of 67.7%, to $0.52 from $0.31, on more shares outstanding. Revenue gained 30.8%, to $1.6 billion from $1.2 billion. Buy.