Stock Market Today 17.01.2026
LIVEMarkets rolling coverageStarted: January 17, 2026, 12:00 AM ESTUpdated: January 17, 2026, 11:58 PM EST TransDigm Group still undervalued after share-price momentum, but leverage risk weighs on upside January 17, 2026, 11:51 PM EST. TransDigm Group (TDG) has posted recent share-price gains and upward momentum, with a 1-month return of about 13.56% and a 1-year return near 15.65%, according to the analysis. Revenue of $8.83 billion and net income of $1.87 billion were reported, while the stock traded around $1,450. A fair value around $1,586 implies roughly 9-10% upside, but the current P/E of 43.8x sits above aerospace and defense