Basic Energy Services (NYSE: BAS): Two directors recently purchased more than 63,000 shares, worth more than $850,000. This Midland, Tex.-based oil and gas driller has a market cap of $651.9 million and it beat first-quarter revenue estimates but its EPS fell short. It has a PE ratio of 7.3 and a PEG ratio of 0.7. Though the share price is up more than 9% in the past week, year to date it is down more than 23%. Over the past six months, the stock has underperformed competitors such as Tesco (NYSE: TESO) and Gulfmark Offshore (NYSE: GLF), as well as the broader markets.