When people click on Google’s ads less often

DID Google, the world’s largest web-search engine, peak last November 6th, when its share price hit an all-time high of $742? Some people on Wall Street seem to think so. They now value the firm at around 40% less. Part of the blame belongs to the general turmoil in the stockmarket. But the bigger part, investors fear, is that Google, at the ripe old age of nine, might already be over the hill. More from The Economist here.