Based on your financial expertise, provide your response or viewpoint on the given financial question or topic. The response format is open.

Why does the biotechnology industry have such a high PE ratio?
Residential Construction at 362x, by the way. I'm going to hazard a guess here - Say XYZ corp trades at $100, and it's showing a normal earnings of $10 the last few years. Its industry falls on hard times, and while it makes enough to keep its doors open, profits fall to $1. The company itself is still sound, but the small earnings result in a high P/E. By the way, its book value is $110, and they have huge cash on the books along with real estate.  I offer these details to show why the price doesn't drop like a rock.  Now, biotech may be in a period of low reported earnings but with future results expected to justify the price. On one hand it may be an anomaly, with earnings due to rise, or it may be a bit of a bubble. An analyst for this sector should be able to comment if I'm on the right track.