ETF industry continues to develop

There's a lot of entrepreneurial activity around ETFs these days, it's all very exciting. Previously, we brought you news of WisdomTree's debate with John Bogle. We should also note that WisdomTree really seems to be onto something. The latest news: Arthur Levitt has joined as an advisor. The board already boasts Jeremy Siegel and hedge-fund manager Michael Steinhardt. The company has also brought several executives from Barclays on board. They seem to be onto something. I wouldn't be surprised to see more niche ETFs firms crop up with interesting index concepts.

> Here's an update