select cs_cum_max(Close) from Quote_get('IBM');
select cs_cum_min(Close) from Quote_get('IBM');
select cs_cum_sum(Close) from Quote_get('IBM');
select cs_cum_avg(Close) from Quote_get('IBM');
select cs_cum_prd(Close) from Quote_get('IBM');
select cs_cum_var(Close) from Quote_get('IBM');
select cs_cum_dev(Close) from Quote_get('IBM');
