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, Feb. 24, 2014, 153 U.S. common stocks issued filings of shares being bought or sold by insiders. The transactions ranged in value from $614.00 to $8,867,579,754,879.72. Highlighted Stocks Traded by Insiders: NewMarket Corporation (NEU) - FREE Research Report Fiorenza David A who is VP & Chief Financial Officer at NewMarket Corporation sold 700 shares at $367.27 on Feb. 24, 2014. Following this transaction, the VP & Chief Financial Officer owned 1,257 shares meaning that the stake was reduced by 35.77% with the 700-share transaction. The shares most recently traded at $366.97, down $0.30, or 0.08% since the insider transaction. The average volume for NewMarket Corporation has been 51,900 shares per day over the past 30 days. NewMarket Corporation has a market cap of $4.8 billion and is part of the basic materials sector and chemicals industry. Shares are up 8.99% year-to-date as of the close of trading on Monday. NewMarket Corporation, through its subsidiaries, engages in the petroleum additives and real estate development businesses. It operates in two segments, Petroleum Additives and Real Estate Development. The stock currently has a dividend yield of 1.2%. The company has a P/E ratio of 20.1. Currently there are no analysts that rate NewMarket Corporation a buy, no analysts rate it a sell, and 4 rate it a hold. Exclusive Offer: Get the latest Stock Analysis on NEU - FREETheStreet Quant Ratings rates NewMarket Corporation as a buy. The company's strengths can be seen in multiple areas, such as its solid stock price performance, growth in earnings per share, revenue growth, largely solid financial position with reasonable debt levels by most measures and notable return on equity. We feel these strengths outweigh the fact that the company shows low profit margins. Get the full NewMarket Corporation 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.