You should read up on Nassim Nicholas Taleb's concepts of fragility and antifragility. Taleb feels that over the long run the biggest of the big will have fragi

You should read up on Nassim Nicholas Taleb's concepts of fragility and antifragility. Taleb feels that over the long run the biggest of the big will have fragility, and thus tend to fail. Another thing to keep in mind is that what you're reading about in fact represents only a small amount of what is going on in business. There are plenty of small companies that aren't being sold to big companies, and quite a few big companies can be doing badly at any time. In tech just take a look at HP.