My top Drone Play (TDG) TransDigm Group, Inc. (5.05 min.) Posted by: Bill Gunderson Listen to Bill’s analysis of (TDG) TransDigm Group, Inc. as of Mar. 13, 2013. Share 13 MAR 0 About the Author: Bill Gunderson is a wealth manager, syndicated financial talk show host, and author of the Best Stocks Now -- one of the top 10 best selling financial aps in the world. He is a frequent guest on local and national media, including CNBC, Fox Business, Fox News, Bloomberg, Barron's, Forbes, and others. His wealth management business caters to high net worth individuals clients all over the world. He would be happy to look at your portfolio. Related PostsNo related posts found.