When the possibility of not paying back by a credit card holder becomes a serious concern, either because of the applicant's bad credit in the past or no established credit at all, a card issuer would require certain amount of funds to be deposited as collateral before a credit line can be issued. (freefrombroke.com)
Trading futures requires you to have a certain amount of funds or capital available in your account when you trade. (wisestockbuyer.com)
When the Fed «raises» rates, what it alters is the Federal Funds rate — the rate that banks charge each other for overnight loans to cover their cash needs (every bank is required to keep a certain amount of funds, called reserves, with the Federal Reserve and these funds can be borrowed). (themortgagereports.com)