At these prices, it's substantially overvalued.

It's certainly a trend. I expect to see more of it. I had never even considered the possibility of charging for aisle seats. It's definitely being taken to extremes at this point.

It's a very good strategy. It's a sizeable foothold for Boeing to acquire. I think they could really exploit it.

Every summer it's the high point and (airlines) chase passengers like crazy. The urge to chase the incremental passenger is going to be too great for many of them resist.

Stocks are still overvalued,

Even if there is a stock draw, unless it is substantially and unexpectedly high, I would not expect prices to go up above $60 as the near-term market is still heavily weighed down by high inventory levels and the warmer weather.