You are given the following information concerning the trades made on a particular stock. Calculate the money flow for the stock based on these trades. Is the money flow a positive or negative signal in this case?

Price                 Volume
$70.12
70.14 ...................1,900
70.13 ...................1,400
70.09 ...................1,800
70.05 ...................2,100
70.07 ...................2,700
70.03 ...................3,000