anchor.diff:  -define(NUM_LISTINGS, 5).
   -define(NUM_BROKERS, 3).
   -define(TICKER_INTERVAL, 1000).
  --define(MAX_RANDOM_SLEEP, 100).
  +-define(MAX_RANDOM_SLEEP, 10).
   
   
   %%%----------------------------------------------------------------------------
  
positive.code:     broker(Portfolio, Transactions).
  
  broker(Portfolio, Transactions) ->
      receive
          {ticker, {prices, Prices}} ->
              reseed(),
  
negative.code:             {NewPortfolio, NewTransactions} = transaction(
                  choice([buy, sell]), Symbol, Price, 1, Portfolio, Transactions
              ),
              NewCashBalance = lists:sum(NewTransactions),
              CashDelta = NewCashBalance - CashBalance,
              io:format("~p CASH DELTA:~p~n", [ProcName, CashDelta]),
              broker(NewPortfolio, NewTransactions);
          stop ->
              void;
  