It can be the way a company records revenues or handles costs. (An example would be a firm that constantly claims extraordinary or one-time write-downs.) It could be that you are just not comfortable with the amount of money a company paid for an acquisition relative to the size of its balance sheet.
These businesses were merged with Gibraltar Life, earlier this year and allowed Prudential to expand its market share in terms of new business face amount from 7.3%, per-acquisition to 10.4%, post-acquisition.