A small shift away from big business. (banks' cash-management business; figures from Ernst &...

There's been a modest but meaningful increase in the percentage of banks' cash management revenue stemming from small business customers, according to the latest cash management survey from Ernst & Young.

Some 17% of the proceeds in cash management-where banks manage corporations' direct deposit, wire transfer and accounts payable and receivable-came from small businesses in 1994, up slightly from 15% in 1993.

Large corporate customers still accounted for a significant plurality of cash management revenue, about 38%, but that figure is off from the 44% they contr