51.   The rules curb some computer-guided trading in an attempt to stabilize the market.

52.   The uptick rule curbs some trades in connection with stock-index arbitrage in an attempt to stabilize the market.

53.   The uptick rule curbs some trades in connection with stock-index arbitrage in an effort to stabilize the market.

54.   The uptick rule limits certain computer-guided trades in an effort to stabilize the market.

55.   The uptick rule, which curbs some computer-guided trading in an attempt to stabilize the market, was invoked for the second time this year.

56.   The uptick rule, which curbs some computer-guided trading in an attempt to stabilize the market, was invoked for the third time in two days.

57.   The uptick rule, which curbs some computer-guided trading in an attempt to stabilize the market, also was invoked twice yesterday.

58.   The uptick rule, which curbs some computer-guided trading in an attempt to stabilize the market, was invoked for the third time this year.

59.   The world has developed sophisticated ways to prop up currencies and stabilize markets.

60.   The uptick rule curbs some computer-guided trading in an attempt to stabilize the market.