Editor's Note: Any reference to TheStreet Ratings and its underlying recommendation does not reflect the opinion of TheStreet, Inc. or any of its contributors including Jim Cramer or Stephanie Link. Yesterday, Dec. 16, 2013, 116 U.S. common stocks issued filings of shares being bought or sold by insiders. The transactions ranged in value from $164.25 to $16,145,446.22. Highlighted Stocks Traded by Insiders: Diamond Offshore Drilling (DO) - FREE Research Report Gaffney Paul G who is Director at Diamond Offshore Drilling bought 1,000 shares at $56.18 on Dec. 16, 2013. Following this transaction, the Director owned 2,000 shares meaning that the stake was reduced by 100% with the 1,000-share transaction. The shares most recently traded at $55.73, down $0.45, or 0.8% since the insider transaction. The average volume for Diamond Offshore Drilling has been 1.2 million shares per day over the past 30 days. Diamond Offshore Drilling has a market cap of $7.8 billion and is part of the basic materials sector and energy industry. Shares are down 17.32% year-to-date as of the close of trading on Monday. Diamond Offshore Drilling, Inc. operates as an offshore oil and gas drilling contractor worldwide. It provides offshore drilling services in both the floater market, such as ultra-deepwater, deepwater, and mid-water; and in the non-floater and jack-up markets. The stock currently has a dividend yield of 0.89%. The company has a P/E ratio of 12.8. Currently there are 4 analysts that rate Diamond Offshore Drilling a buy, 5 analysts rate it a sell, and 7 rate it a hold. Exclusive Offer: Get the latest Stock Analysis on DO - FREETheStreet Quant Ratings rates Diamond Offshore Drilling as a hold. The company's strengths can be seen in multiple areas, such as its largely solid financial position with reasonable debt levels by most measures and expanding profit margins. However, as a counter to these strengths, we also find weaknesses including feeble growth in the company's earnings per share, deteriorating net income and disappointing return on equity. Get the full Diamond Offshore Drilling Ratings Report from TheStreet Quant Ratings now. STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.