A big reason for the change of heart is oil.

One big reason from what I have read is access to capital.

That is the big reason why the stock market has been moving.

A big reason why was because no one could move Brown.

The biggest reason may be for the color they provide.

That is a big reason why I am here this week.

"We are always prepared, and a big reason why is because he studies so hard."

Certainly one of the big reasons I won't be coming back.

The big reason for the increased attention is simple: money.

That is a big reason they are given at all, though far from the only one.