LOS ANGELES, CA / ACCESSWIRE / December 21, 2023 / The Schall Law Firm, a national shareholder rights litigation firm, reminds investors of a class action lawsuit against NuScale Power Corporation ("NuScale" or "the Company") (NYSE:SMR) for violations of 10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission. Investors who purchased the Company's securities between March 15, 2023 and November 8, 2023, inclusive...