 LOS ANGELES--BUSINESS WIRE--- VSTA classaction--The Law Offices of Frank R. Cruz announces an investigation of Vasta Platform, Ltd. Vasta or the Company NASDAQ: VSTA on behalf of investors concerning the Companys possible violations of federal securities laws. If you are a shareholder who suffered a loss, click here to participate. In July 2020, Vasta conducted its initial public offering IPO, selling more than 18.5 million Class A common shares at 19.00 per share. Then, on August 20, 2020, the Com 