Not according to analysts, who are a notoriously optimistic bunch. So you probably don't want to pay more than 52.5 times earnings for Juniper if you're doing anything more than trading the stock. That makes Juniper a buy at 49.88 or lower. A word on long-term growth rates. The company may well be able to deliver that, but few companies can sustain that level of growth for more than a few years.
Technology changes rapidly, and few companies can keep up with the pace of innovation.
And if you bought the stock anywhere near its low of 28.60, consider yourself lucky. An old saying is that bear markets are when stocks return to their rightful owners. With a tool like the PEG, you'll know when stocks begin to look like bargains. A few other Net leaders and their PEGs. It's easy to see from just these few examples that leading stocks have become fully valued quickly.