Insiders are buying TTM Technologies 17% below its highs, supporting the case that its AI circuit-board bottleneck is underpriced. The CEO put $1.1 million into the stock, a day after a director bought $525K. Nvidia GPU boards use over 30 layers and the next generation needs 50 to 100+. TTM is the only US-listed pure-play PCB maker, called a top-five qualified supplier by an Nvidia account manager, yet trades at 20x forward earnings against 25x for Asian competitors. x.comÂ






