1.   An overnight slide in U.S. stocks and bonds also triggered concerns that higher U.S. interest rates would hurt corporate profits.

2.   Anything higher would trigger concern that a tightening labor market is pushing wages higher, raising the possibility that inflation may be accelerating.

3.   Bank, brokerage and insurance stocks fell as a rout in the bond market triggered concern that rising interest rates will hurt profits.

4.   Bonds also fell as a home resales report triggered inflation concern.

5.   Bonds fell as a home resales report triggered inflation concern.

6.   Bond investors drove up yields in recent weeks as signs of a rebounding economy triggered concern that inflation would accelerate.

7.   A price cut on a luxury residential development triggered concern that property prices would see further declines.

8.   A surge in economic growth would trigger concern over inflation, prompting the Bank of Japan to raise interest rates from historic lows, hurting bonds.

9.   A string of storms since the beginning of October has brought excess moisture to the wheat plants, triggering concern that the crop could see lower quality and yields.

10.   After the weekend in Boston passed peacefully, sources Sunday explained the events that triggered concern that bordered on near-panic in the city last Friday.