Why Textron, Inc. Stock Plunged Today

What: Shares of Textron (NYSE:TXT) fell as much as 11.5% on Wednesday after the industrial conglomerate released weaker-than-expected fourth-quarter 2015 results.So what: Quarterly revenue fell 4.2% year over year to $3.9 billion, including a 2% decline from Textron Aviation to $1.49 billion, a 3.4% drop from Bell to just under $1.04 billion, a 25.4% decline at Textron Systems to $463 million, and a 6.4% increase in sales at Textron's Industrial segment.That translated to a 5% decline in segment profit to $378 million and -- thanks partly to expense management and a lack of acquisition/restructuring costs during the quarter -- 5.6% growth in net income from continuing operations to $225 million. On a per-share basis, income from continuing operations climbed 6.6% to $0.81. In addition, manufacturing cash flow before pension contributions rose 18.9% year over year to $534 million.