US officials are examining ways gradually to convert government stakes in banks into ordinary shares as banks accumulate losses, according to people close to the discussions. The point would be to provide a drip-feed of additional common equity as needed to cover losses – without the government owning a larger stake in the banks than is necessary. Treasury Secretary Tim Geithner will announce the financial sector rescue plan on Monday along with a set of policies designed to reduce foreclosures and boost the housing market. Treasury refused to comment on its deliberations. One idea that has been considered by policymakers...