(marketscreener.com) NEW YORK, Jan. 13, 2021 /PRNewswire/ -- Juan Monteverde, founder and managing partner at Monteverde & Associates PC, a national securities firm headquartered at the Empire State Building in New York City, is investigating National Holdings Corporation relating to its proposed acquisition by B. Riley Financial, Inc. Under the terms of the...https://www.marketscreener.com/news/latest/SHAREHOLDER-ALERT-Monteverde-Associates-PC-Announces-an-Investigation-of-National-Holdings-Corpor--32190027/?utm_medium=RSS&utm_content=20210113