Matrix and Table auto-resize for height (more rows/less rows)

I have a report that has a table which populates based on temporary postings. There might be 1 posting today (1 row) and 15 added tomorrow (16 rows) and then 7 deleted (9 rows).

I have three stacked tables in this scenario.

I have to constantly resize the tables; is there a way to auto-adjust the height based on how many rows there are?