Basic material Volatile Stocks: Atlas Energy (NYSE:ATLS), Magellan Petroleum Corporation (NASDAQ:MPET), Senomyx (NASDAQ:SNMX), Forbes Energy Services (NASDAQ:FES)

Atlas Resource Partners, L.P. (NYSE:ATLS) announces that Atlas Resource Partners will be presenting at the IPAA Oil & Gas Investment Symposium on Monday, April 7th in New York, NY. Matthew A. Jones, President, will be presenting for Atlas Resource Partners at 4:10pm ET. Atlas Energy LP (NYSE:ATLS) stock performance was -7.91% in last session and finished the day at $39.61. Traded volume was 2.95million shares in the last session and the average volume of the stock remained 422.18K shares. The beta of the stock remained 2.29. Atlas Energy LP (NYSE:ATLS) insider ownership is 3.50%.

Magellan Petroleum Corporation (NASDAQ:MPET) issued a press release announcing the receipt of AUD $5.0 million in post completion proceeds pursuant to the Share Sale and Purchase Deed entered into with Central Petroleum Limited on February 17, 2014. Magellan Petroleum Corporation (NASDAQ:MPET) rose 8.81 percent to $1.73 Monday on volume of 592,453.00million shares. The intra-day range of the stock was $1.58 to $1.75. Magellan Petroleum Corporation (NASDAQ:MPET) has a market capitalization of $78.45million.

Senomyx Inc. (NASDAQ:SNMX) entered into a collaborative research agreement with PepsiCo focused on the identification of flavors with modifying properties intended to restore the desired salty taste in products with reduced salt. Under the terms of the agreement, PepsiCo will provide certain research funding for our Salt Taste Program through December 2014, with options to continue the research funding period for up to three years. Senomyx will determine whether to advance into commercial development any salt flavor modifiers discovered during the research funding period. Senomyx Inc. (NASDAQ:SNMX)’s stock on Apr 21, 2014 reported a increase of 2.87% to the closing price of $9.31. Its fifty two weeks range is $1.81 -$12.74. The total market capitalization recorded $393.57million. The overall volume in the last trading session was 488,711.00million shares. In its share capital, SNMX has 42.28million outstanding shares.

Forbes Energy Services Ltd (NYSE:FES) Director William Sherrill sold 8,800 shares of the stock on the open market in a transaction that occurred on Friday, April 11th. The stock was sold at an average price of $3.82, for a total value of $33,616.00. Following the transaction, the director now directly owns 27,543 shares of the company’s stock, valued at approximately $105,214. On Monday, shares of Forbes Energy Services Ltd. (NASDAQ:FES) advanced 11.03% to close the day at $4.33. Company return on investment (ROI) is 3.60% and its monthly performance is recorded as 8.79%. Forbes Energy Services Ltd. (NASDAQ:FES) quarterly revenue growth is 34.47%.