Insider trades are a major factor in the stock market

The Nasdaq was higher by 2% on Thursday. The investors focused their attention on some notable insider trades.

When insiders sell shares, it shows their concern in the company's prospects or that they view the stock as overpriced. This signals an opportunity to go short on the stock. Insider sales shouldn't be taken as the only indicator for making an investment or trading decision. It can lend conviction to a selling decision.

Below is a look at some recent insider sales. Check This Out: 5 Financial Stocks That Are Diving and May Rally.

What s Happening: Signet Jewelers reported third quarter sales growth of 2.9% year-on-year to $1.58 billion last month, beating the consensus of $1.50 billion.