Other Wallenberg-controlled companies with option schemes in the works include Electrolux, SKF Group and Stora.

FORBES: Capitalism is contagious

Thanks to a late day rally, financial stocks surged, and the SKF tumbled more than 16%.

FORBES: Magazine Article

Through last Friday, the SKF was up 80% just for the month of October.

FORBES: Magazine Article

In the next month SKF's Asian traffic jumped 30%, a number Akamai touts in its sales pitch to customers.

FORBES: Magazine Article

Other leveraged ETFs winning investor popularity contests include TBT or Proshares UltraShort 20 Year Treasury and ProShares UltraShort Financials ( SKF).

FORBES: Confessions Of Leveraged ETF Lover

Other inverse leveraged options include the ProShares UltraShort Financials ETF (NYSE: SKF), which is leveraged two-to-one, rather than three-to-one like the Direxion fund.

FORBES: Backing Out Of Overbought Bank Stocks

The ProShares UltraShort Financials ( NYSE:SKF).

FORBES: Charts: 3 Double Short ETF's In Trend Change Mode

SKF, a maker of bearings.

ECONOMIST: The Wallenbergs