The nation's basic money supply rose by $2.3 billion in late August, the Federal Reserve Board reported. The Fed said M1 rose to a seasonally adjusted $752.9 billion in the week ended Aug. 24 from a revised $750.6 billion the previous week. The Fed originally estimated the previous week's figure at $750.7 billion. M1 includes cash in circulation, deposits in checking accounts and non-bank travelers checks. For the latest 13 weeks, M1 averaged $748.6 billion, a 1% seasonally adjusted annual rate of gain from the previous 13 weeks.