SYRIA: The stock market sagged Monday after the Obama administration ratcheted up pressure against Syria. Secretary of State John Kerry said there was "undeniable" evidence of a large-scale chemical weapons attack in Syria last week, and suggested the administration was edging closer to a military response.
DEALS: Amgen surged following its announcement late Sunday that the biotech giant plans to buy Onyx Pharmaceuticals for $10.4 billion. The acquisition would give Amgen three approved cancer treatments and several other potential drugs.
FINAL SCORE: The Dow Jones industrial average fell 64.05 points, or 0.4 percent, to close at 14,946.46. The Standard & Poor's 500 index slipped 6.72 points, or 0.4 percent, to close at 1,656.78.