Just over 12 years ago I posted about how Motorola (MOT) was in a downtrend because it couldn't come up with a new breakthrough product. The Razr phone was a wildly popular for years but MOT just rode it's coat tails. Traders and investors punished the stock for it's lack of vision.
I lost track of what happened to Motorola but it appears to have changed to Motorola Solutions Inc (MSI) now. From the look of the chart, it seems to be doing a lot better than before.
Am I mad? No. I vaguely remember that Motorola was about to go out of business so if I had been a long term buy and holder, I could've been wiped out. Stock picking for long term investing is hard, really hard. When you put all your money into one horse, and it loses, well you lose. This is why I favor divesified assets like mutual funds or ETFs. You get a basket of stocks and if one blows up you take a small hit.