Yahoo! Finance gave it a provocative title, "ETF Trading: It’s ‘No Way to Invest’ Says Bogle" which read in part: Generally speaking, Bogle says most broad index ETFs are just fine ...

Leverage and margin problems are risks of futures trading, which is less regulated than stock trading. Futures are contracts to buy or sell an asset at a future date at an agreed-upon price.

They're looking to capitalize on the frequent trading that takes place on the market and any inefficiencies in the exchanges or the way markets are run. If you're simply holding a stock ...