High finances. Washington, D.C., Dec. 19. Louis H. Seagrave, (right) former head of the United founders Corp., testifying at the Sec. Investment Trust Inquiry today told how he expanded a $3,182 investment to a heavy interest in companies with assets of more than $1,000,000,000. The Sec. is studying the Equity Corporation Group, which took over the United founders Corp. Seagraves is shown with David Schenker, Cousel for the Security and Exchange Commission