The Vickers Top Buyers & Sellers is a daily report that identifies the five companies the largest insider purchase transactions based on the dollar value of the transactions as well as the five companies the largest insider sales transactions based on the dollar value of the transactions.

Dividend income is often overlooked amid gyrations in the stock market. But dividends are an important element of return. Dividend income accounted for 42% of the total return of the S&P 500 between 1930 and 2012, according to Hartford Funds. And that's just the average. In some of those decades, dividends accounted for more than 50% of total returns and even 100% of returns. More recently, dividends have accounted for a smaller portion of returns, at around 15%-20%. Not all dividends are created equal, though, and it is important to understand the difference between the two main categories: high-yield stocks and dividend-growth stocks. High-yield stocks typically have dividends that pay out in the 5%-8% range. Though the income appears attractive, the share prices of high-yield stocks may be at risk. Dividend-growth stocks typically have lower yields, often in the 1.0%-2.5% range. But the lower-yielding dividends are not likely to be a huge component of cash flow, leaving management teams with other value-additive options for deploying cash. Further, while the yields are not as high, management teams may be more likely to boost the payouts over time, as earnings grow.

Dividend income is often overlooked amid gyrations in the stock market. But dividends are an important element of return. Dividend income accounted for 42% of the total return of the S&P 500 between 1930 and 2012, according to Hartford Funds. And that's just the average. In some of those decades, dividends accounted for more than 50% of total returns and even 100% of returns. More recently, dividends have accounted for a smaller portion of returns, at around 15%-20%. Not all dividends are created equal, though, and it is important to understand the difference between the two main categories: high-yield stocks and dividend-growth stocks. High-yield stocks typically have dividends that pay out in the 5%-8% range. Though the income appears attractive, the share prices of high-yield stocks may be at risk. Dividend-growth stocks typically have lower yields, often in the 1.0%-2.5% range. But the lower-yielding dividends are not likely to be a huge component of cash flow, leaving management teams with other value-additive options for deploying cash. Further, while the yields are not as high, management teams may be more likely to boost the payouts over time, as earnings grow.

U.S. stocks were slightly lower after the open today, but have since moved mostly into the green, with only the Russell 2000 down as of this writing. Still, the action is not robust, with the range for the indices a tight -0.48% to +0.19%. To paraphrase William Shakespeare, it seems 'neither a buyer nor a seller be' is the quote of the day.