Levi & Korsinsky is investigating the Board of Directors of OPNET Technologies Inc. (“OPNET” or the “Company”) (NasdaqGS: OPNT) for possible breaches of fiduciary duty and other violations of state law in connection with the sale of the Company to Riverbed Technology, Inc. (“Riverbed”) (NasdaqGS: RVBD). Click here to learn more about the investigation: http://zlk.9nl.com/opnet-technologies-opnt, or call: 877-363-5972. There is no cost or obligation to you. Under the terms of the transaction, OPNET shareholders will receive $36.55 in cash and 0.2774 of a share of Riverbed common stock for each share of OPNET stock they own, representing a value of approximately $43 per OPNET share. The transaction has a total approximate value of $921 million. The investigation concerns whether the OPNET Board of Directors breached their fiduciary duties to stockholders by failing to adequately shop the Company before entering into this transaction and whether Riverbed is underpaying for OPNET shares, thus unlawfully harming OPNET stockholders. If you own common stock in OPNET and wish to obtain additional information, please contact Joseph E. Levi, Esq. either via email at email@example.com or by telephone at (212) 363-7500, toll-free: (877) 363-5972, or visit http://zlk.9nl.com/opnet-technologies-opnt. Levi & Korsinsky is a national firm with offices in New York and Washington D.C. The firm has extensive expertise in prosecuting securities litigation involving financial fraud, representing investors throughout the nation in securities and shareholder lawsuits. The attorneys at Levi & Korsinsky have been appointed by numerous courts throughout the country to serve as lead counsel on behalf of shareholders in major securities lawsuits and have successfully recovered multimillion-dollar damages awards on behalf of investors. For more information, please feel free to contact any of the attorneys listed below. Attorney advertising. Prior results do not guarantee similar outcomes.