Another part of the problem: Many traders, including a number of high frequency trading firms that normally make up 60% of daily trading volume, stepped aside and stopped buying, draining liquidity from the system when it was trying to deal with a tidal wave of sell orders.

FORBES: SEC Sets 6-Month Test of Stock Circuit Breakers

The Fed felt so sure of the sustainability of the recovery that it decided to halt its year long program of buying mortgage-backed securities, and signaled that it would probably begin draining excess reserves from the financial system sometime very soon.

FORBES: Ben Bernanke As The Ultimate Contrarian Indicator

At issue is how best to reduce the cost and increase the reach of the health care system, which officials say is draining personal, corporate and government budgets while leaving 46 million Americans without health insurance.

CNN: Obama toughens his talk on Iran

The costs of our dysfunctional health-care system have already helped sink our auto industry, are draining state and federal coffers, and could ultimately imperil our ability to sustain universal coverage.

NEWYORKER: Testing, Testing

With the bank run draining reserves, Uruguay was forced last month to abandon its currency-band system and let its peso sink freely.

ECONOMIST: Argentina's woes topple a neighbour's finance minister

Lymphomas are cancers of the lymphatic system, a network of vessels which form part of the body's immune system, and carry other infection-fighting cells called "lymphocytes", as well as draining dead cells away from the tissues.

BBC: The drug targets cancer cells directly