The US market regulator Securities and Exchange Commission was doing what it could to stem the flow. It temporarily prohibited naked short-selling in the securities of major financial players including Freddie Mac and its sister firm Fannie Mae in July. But this didn't really help. It was only after global central banks pumped in unprecedented liquidity into global markets, that the storm was finally calmed.
Lehman Brothers, whose collapse worsened the global financial crisis in late 2008, slumped into bankruptcy as the entity failed to get the necessary support from the US authorities, former chief Richard S Fuld has said.