Poor Apple. One blog post about an iPhone delay based on a faked internal memo, and $4bn is wiped off its stockmarket value. Which has to make you wonder, what in God’s name will happen to Apple’s share price if the iPhone turns out to be rubbish? It’s a thought. Another thought: could this happen to other tech firms? What sort of crazy rumour would send Microsoft’s stock diving, for example, or grind Sony’s share price into the dust? Weeell....