Yes actually a shelf registration can be a precursor to an acquisition - or just about any other corporate activity. Since most corporation's like to have a registration on the shelf so they can have immediate access to cash if needed for some opportunity either in the near term or several years away it is probably not too meaningful to get excited about any particular shelf registration.
Might point out also that most acquisitions today are made for a combination of stock and cash. An all stock transaction is no longer as popular as it was a few years ago since the change in accounting for purchase/pooling methods in a transaction. Furthermore, even in those cases where an acquisition is for all stock (or mostly stock) the acquiror frequently announces a stock repurchase program in conjunction with the acquisition in order to reduce some of the dilution that occurs with a stock transaction. This is particularly true for most bank acquisitions in the past several years - indeed BB&T has used this in some of their acquisitions.
Wow! Astound the board with your credentials! And an MBA no less! Last time I checked the headcount on my floor, no less than 75% had an MBA. Guess what? About 75% of those I wouldn't trust to know how to mow my yard, much less give objective analysis. An MBA is a dime a dozen these days. Usually the people I meet who have to tout their credentials are not people I care to hang around again. They're too insecure. Sorry.
In the future, think before you post. The explanation of my education was simply in response to someone calling my posts "sophomoric." I took the time to learn and further my education, all the while working FT and mowing my lawn. I suggest you think about doing the same.
Well young buy high sell low banker dude, I've got socks and stocks older than you and I bet old bankerdude does too. I suspect his MBA was actually earned versus the type of buy your education you youngtuns have today. Heck I bet you know at least 45 or 50. Last of all just reading his post and yours explains who's the insecure one. Sorry old dude I just had to jump in.