function check_for_buy {

  g_echo_note "RUNNING FUNCTION ${FUNCNAME} $@" 
 
  g_echo_ok "Investmentbudget: $CURRENCY_BALANCE $CURRENCY" 
  
  # check for emergency stop
  local f_COMPLETE_BALANCE=$(tail -n1 "asset-histories/BALANCECOMPLETE${CURRENCY}.history.csv" | cut -d, -f2)
  if [ $(echo "${f_COMPLETE_BALANCE} < ${EMERGENCY_STOP}" | bc -l) -ne 0 ]
  then
    g_echo_note "BUY ATTENTION! EMERGENCY STOP DUE TO POOR PERFORMANCE: BALANCE (${f_COMPLETE_BALANCE}) LOWER THEN EMERGENCY_STOP-VALUE (${EMERGENCY_STOP})"
    return 0
  fi

  ## Generate grep regex for already invested assets
  #f_investedassets_regex=$(cat EXCHANGE_GET_BALANCES_CMD_OUT | cut -d, -f1 | perl -pe 's/^/\^/; s/\n/\|/' | perl -pe 's/\|$//')

  if ! [ -s ASSETS ] 
  then
    g_echo_note "BUY file ASSETS empty $(ls -l ASSETS)"
    return 0
  fi

  ## use BUY_CONDITION_RISK if market is bad
  if [ $(echo "${f_market_performance} > ${GOOD_MARKET_PERFORMANCE_INDEX}" | bc -l) -eq 0 ]
  then
    #g_echo_note "BUY market performance ${f_market_performance}% looks bad - Using BUY_CONDITION_RISK (${BUY_CONDITION_RISK}) as BUY_CONDITION"
    #BUY_CONDITION=${BUY_CONDITION_RISK}
    g_echo_note "BUY market performance ${f_market_performance}% looks bad - Dont buy anything"
    return 0
  else
    g_echo_note "BUY market performance ${f_market_performance}% looks ok - going on buying with BUY_CONDITION (${BUY_CONDITION})"
  fi

  # go through highest assets
  local f_line
  for f_ASSET in $(cat ASSETS | egrep -v "${BLACKLIST}")
  do

    f_ASSET_HIST_FILE="asset-histories/${f_ASSET}.history.csv"

    if [ $(tail -n 6 "$f_ASSET_HIST_FILE" | egrep -v ",,|,$" | wc -l) -ge 5 ]
    then
      check_buy_conditions "$f_ASSET_HIST_FILE"
    else
      g_echo_note "BUY $f_ASSET_HIST_FILE not enough data - waiting for complete values"
    fi
  
  done
}