money. asian markets are higher. shanghai up 3%. possible stimulus by the chinese central bank. european markets are down. u.s. futures are barely moving. stocks ended on a high note. dow closing up for the sixth straight day in a row. the longest winning streak since last december. the s&p finished up 3%. linkedin offering an open-ended vacation policy for employees. networking site will have a time off policy with no minimum or maximum vacation time. linkedin wants to focus on results. linkedin the latest to offer unlimited vacation policy. virgin and ge adopted that policy over the last year. some employees say i m less likely to take all of my allotted vacation time. there is pressure not to take it