It could be a good thing
I was never a fan of so called "diversification" anyway. Too many companies have lost focus trying to be all things to all people, not the least of which is WallStreet. WS wants consistent earnings per share, dividends, stock buybacks, gadflies appointed to the board and the like.
What this results in is an organization that is MBA focused and not customer focused.
Remember when US Steel paid 4.5 billion to buy Marathon oil? Wouldn't they have done better in reinvesting that in continuous casters and updated furnaces to better compete with Japan, Inc?
The trend these days seems to be if and when your company starts going pear shaped, don't invest in fixing it, instead buy another company!
Funny how Toyota and Honda both seem to trundle right along, offering products that consumers actually want to buy and I don't read much about either "diversifying" to keep stockholders happy. Crazy as it seems, but they have proven time and time again, by investing in the product, keeping it relevant and customer focused, buyers will flock to your door.
ANd to thing I figured this all out on my own, and I didn't go to Harvard Business School.