Here are the additional investments.
1) Wichita to win region: .4 units at 40-1.
2) Syracuse: .2 units at 295-1.
3) Purdue: .2 units at 40-1.
4) Maryland: .2 units at 45-1.
5) Iowa State: .2 units at 70-1.
6) St. Joe's to win region: .1 units at 38-1.
7) Arizona to win region: .2 units at 22-1.
8) Cal to win region: .2 units at 16-1.
9) Hawaii to win region: .1 units at 250-1.
10) Temple to win region: .1 units at 85-1.
11) USC to win region: .1 units at 50-1; .15 units at 60-1.
12) Iowa to win region: .1 units at 18-1; .3 units at 22-1.
13) Utah to win region: .2 units at 17-1.
14) Michigan to win region: .25 units at 40-1.
15) Providence to win region: .25 units at 50-1.
Although I had too much riding on Iowa State and USC prior to these, I try to treat each scenario separately. In other words, rather than vetoing an opportunity due to judgements made previously, I treat each scenario as if there were no other wagers. This, of course, is a debatable course of action.