(marketscreener.com) NEW YORK, Dec. 12, 2020 -- Halper Sadeh LLP, a global investor rights law firm, announces it is investigating the following companies: Sunesis Pharmaceuticals, Inc. concerning potential violations of the federal securities laws and/or breaches of fiduciary duties relating to its merger with Viracta Therapeutics, Inc. Under the terms of...https://www.marketscreener.com/news/latest/INVESTIGATION-ALERT-Halper-Sadeh-LLP-Continues-to-Investigate-the-Following-Companies-Shareholders--32000058/?utm_medium=RSS&utm_content=20201212