The latest Budget is just one example of how policy changes can help or hurt shareholders http://telegraph.feedsportal.com/c/32726/f/579309/s/38cd2f3d/sc/7/l/0L0Stelegraph0O0Cfinance0Cpersonalfinance0Cinvesting0C10A730A5660CA0Ehistory0Eof0Egovernment0Emeddling0Ehitting0Eshares0Bhtml/story01.htm