Why Is TTM TECHNOLOGIES INC (TTMI) Stock Down Today?

TTM Technologies (TTMI) shares fell 10.91% to $107.81 on Monday. The primary driver was the company’s announcement of a new $400 million spending plan to expand artificial intelligence capacity. This capital allocation news triggered a sharp sell-off in the stock.

What Happened

TTM Technologies, a global manufacturer of technology products including printed circuit boards, disclosed plans for an additional $400 million investment. The funds will be directed toward expanding capacity at four facilities in China and one facility in Penang, Malaysia. The company stated the investments are intended to accelerate AI infrastructure capacity. The announcement followed a period of deteriorating sentiment, with the 30-day average sentiment score at 57 and the last seven days at 53.

What The Data Shows

The stock opened at $118.98, a 1.7% gap down from the prior close of $121.01. Intraday trading saw a session high of $119.50 at 8:15 AM ET and a session low of $106.70 at 12:50 PM ET. Volume reached 2.2 million shares, which is 0.9 times the three-month daily average. The stock printed 32 fresh 52-week lows on October 12, 2026. Fundamentals show a market cap of $12.7 billion and a P/E ratio of 54.5. Revenue grew 27.6% over the trailing twelve months, while the net margin stands at 7.0%. The stock has a beta of 2.14 and a 52-week range of $53.36 to $223.83. Recent insider activity includes two buys totaling $1.6 million and one sale totaling $3.7 million in the last 90 days. CEO Roks Edwin bought shares on August 25, 2026, and Director Rex D Geveden bought on August 24, 2026.

What To Watch

Investors should monitor the execution of the $400 million expansion plan across the four Chinese facilities and the Penang plant. The company’s ability to convert this capital expenditure into future revenue growth will be a key metric for upcoming earnings reports.