NEW YORK :Global stock indexes edged lower on Wednesday as a disappointing forecast from Advanced Micro Devices weighed on chipmakers, while gold prices rose to a record high as uncertainty ahead of next week's U.S. presidential election drove safe-haven demand. British stocks hit their lowest level since August as UK Finance Minister Rachel Reeves said she would raise taxes by 40 billion pounds ($52 billion) a year in her first budget. Shares of Alphabet rose 2.8 per cent after the company