Over the last four quarters, the company has surpassed consensus EPS estimates three times. Northern Trust shares have added about 7.6% since the beginning of the year versus the S&P 500's gain of 18.8%. There are no easy answers to this key question, but one reliable measure that can help investors address this is the company's earnings outlook. Not only does this include current consensus earnings expectations for the coming quarter(s), but also how these expectations have changed lately. It will be inter ...