Is it convenient to talk at the moment? http://www.kurusurin-coop.com/main/stmap_58usmeyh.html?sumycin.viagra.keftab do i need a prescription for naproxen in uk The news comes one day after SAC energy portfolio manager Nick Tiller told colleagues he was retiring. In an email, Tiller said he is looking forward to spending more time with his family and wants to take a "real vacation" where he doesn't have to monitor and trade his portfolio by mobile phone all day long. A copy of the email was seen by Reuters.