1.   As futures rose, arbitrageurs sold futures to buy the underlying basket of stocks, thereby pulling up the benchmark index.

2.   As futures rose, traders then sold futures and bought the underlying basket of stocks, a practice known as arbitrage.

3.   As futures rose, arbitrageurs sold futures contracts and bought the underlying basket of stocks to profit on the spread between the two.

4.   As futures rose, traders sold futures to buy the underlying basket of stocks, thereby pulling up the benchmark index.

5.   Bond futures rose amid expectations interest rates will remain at historic lows.

6.   Bond futures rose as the dollar fell against the yen, enhancing the attraction for foreign investors of yen-denominated assets.

7.   Brazilian interest rate futures rose on concern that market swings in Asian markets would dampen the prospects for interest rate cuts in coming months.

8.   A weaker yen can cause Nikkei futures to rise because it means that American consumers will pay less for Japanese goods, boosting profits of Japanese companies.

9.   Brazilian interest rate futures rose on concern that tumbling currencies in Chile and Southeast Asia would give the central bank less leeway to lower rates.

10.   Brazilian interest rate futures rose on concern that turbulence in Asian markets will prevent the government from significantly lowering interest rates in coming months.