LONDON (AP)—Sony Ericsson is ending its sponsorship of the WTA tour at the end of the 2012 season. Sony Ericsson became the title sponsor of the women's tennis tour in 2005 tour under a six-year ...

For us, it's so much different, so much better.'' Some challenges still remain for WTA officials. The tour's main sponsor Sony Ericsson has yet to decide whether to renew its $88 million contract ...