Monday means the Carnival of Investing. Free Money Finance handles the hosting duties this week.

The Ticker Sense Blogger Sentiment Poll shows a rise in bearishness. On the flip side Ticker Sense has a graph with the most oversold ETFs.

Ian Salisbury in the Wall Street Journal reports on the growing number of ETFs that are trying to provide enhanced returns.

One good thing about ETF competition is lowered expenses for commodity exposure. (via IndexUniverse.com)

IndexUniverse.com weighs in on the ProShares ultra-inverse ETFs. John Spence at Marketwatch.com notes their impeccable timing. Investing the Middle Way (via Seeking Alpha) looks at the expense drain of these inverse funds.

A knee-jerk contrarian might look at the forthcoming NYMEX IPO as a sign of a top in oil. (via Marketwatch.com)

Brett Steenbarger at TraderFeed looks at the importance of experimentation in staying mentally acute.

Speaking of IPOs, Paul Kedrosky looks at why the private equity owners of Hertz may want to get out the rental car business.

Greg Newton at NakedShorts sheds some light on the question of how much money hedge funds actually manage.

James Hamilton at Econbrowser looks at whether 5.50% will be it for the Fed.

Barry Ritholtz looks at the effect of rising interest rates on variable rate mortgages and real estate prices.

David Cay Johnston at the New York Times reports on a study that shows people will go a long way to avoid a rental car tax.

George Anders in the Wall Street Journal looks at the trend of wealthy Californians who “go Nevada” to lower their tax bill.

Art De Vany on the return distribution of motion pictures and the growing role of hedge funds in movie finance.

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