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About shorting stock. I haven't run across a broker that would allow a client to invest the procedes from a short. Generally they want to hold it in a segregated account (where they can invest it) and pay you nothing. For large shorts (>$100,000) or good customers they will negotiate some fixed return (a low fixed rate) on the funds. If you know a broker that offers a decent return on short procedes (or lets you invest them!) I'd like to know...