Long liquidation, much of which was profit taking and margin-call selling, hit the gold market in late-morning dealings.

FORBES: Comex Hits Another All-Time High Early On, Then Backs Off Sharply on Long Liquidation

Also, much of the margin-call-related selling pressure in gold and silver has now likely already occurred, which eliminated a big, bearish factor in the metals.

FORBES: Comex Gold Ends Solidly Higher on Bargain Hunting, Weaker U.S. Dollar Index, Higher Crude Oil Prices

Also, much of the margin-call-related selling pressure in gold and silver has now likely already occurred, which eliminates a big bearish factor in the metals.

FORBES: Comex Gold, Silver Sharply Higher on Bargain Hunting, Weaker U.S. Dollar Index, Higher Crude Oil

Most appear resigned to the gradual loss of high-margin switched-call revenues and are gambling that it is better to cannibalise your own revenues than to watch others do it for you.

ECONOMIST: Internet telephony

Will Herbalife go to zero - OR force a huge Pershing Capital margin call?

FORBES: The Most Interesting Investment Questions For 2013

On its post-earnings conference call, OmniVision said the weaker gross margin in the April quarter reflects the impact of a decrease in sales of previously written down inventory and an increase in inventory valuation allowances.

FORBES: OmniVision Shares Crushed After Fiscal Q4 Earnings Report

Continued ETF liquidation and margin call selling makes it difficult to see a bottom in the near-term.

FORBES: Violent And Panicky Gold Selling Collapse Bullion And Commodity Markets

One potential problem brought up on the call: Many other players in the pharmaceutical benefits field are also in the higher-margin business of distributing injectable drugs as well as pills.

FORBES: Magazine Article

The Hawks held that margin and had the ball with 22 seconds left, but the Knicks benefited from a questionable offensive-foul call on Atlanta's Smith that gave them the ball for Anthony's game-winning shot, wrapping up his fourth 40-point game of the season and his 29th straight game over 20 points, tying a franchise record.

WSJ: Who Needs to Play Defense?