At the risk of kicking someone when they are down, let's look at... GoPro. GoPro recently reported slower than anticipated sales, laid off 7% of their staff, and had their stock hammered (down 14.5% in a day). BusinessInsider did a straightforward if nice job showing their absolute revenue and relative year-over-year growth for the last 5 years. While total sales numbers are nice, the growth numbers aren't pretty.  

If there is one truism in the technology market, it is that premium pricing just doesn't last. If you are first to succeed in a new market - which is distinct from first to a market - then you often have a premium price product because you are the "first" and often the "best". The problem is that it just doesn't last. No matter how good your IP (Intellectual Property, like patents, not Internet Protocol), eventually competitors catch up with "