The stock market fell sharply Tuesday as a result of a questionable aquisition and renewed tensions with North Korea. The Dow Jones industrial average dropped about 250 points, partialy as a result of United Technologies and Goldman Sachs Group Inc ..

United Technologies Corporation (NYSE: UTX) on Monday announced to buy aircraft parts manufacturer Rockwell Collins, Inc. (NYSE: COL) for $30 billion.Under the deal, United Technologies will pay $140 per share in cash and stock for Rockwell sharehol..