11.   The case of the shrinking stockpiles is riling the silver market.

12.   The CFTC spokesman was unable to confirm when the commission began its surveillance of the silver market.

13.   The Commodity Futures Trading Commission is monitoring unusual trading activity in the silver market, according to a CFTC spokesman.

14.   The Commodity Futures Trading Commission is monitoring unusual trading activity in the U.S. silver market, according to a CFTC spokesman.

15.   The commission has recently said it was monitoring the silver market for unusual activity.

16.   The Hunt brothers were trying to corner the silver market, and that made a bump in the gold.

17.   The silver purchases by Berkshire Hathaway were made in London, a center of activity in the silver market.

18.   The silver market has been getting attention because of its movements lately.

19.   The silver market may be ripe for manipulation again.

20.   There is more going on in the volatile silver market than the recent surge in prices.