Did President Obama's Climate Change Speech Pass the Market Test?

It would be wrong to place too much emphasis on short-term movements in stock prices. As a practical matter they can be moved by almost anything, in either direction. Nonetheless, some folks were anxious to note a plunge in stock prices while President Obama was giving his speech on global warming as evidence that the President really meant business. For example, Andrew Revkin told readers:

"But if you doubt the reality of this shift [away from coal], just look at the news coverage from Monda...