Editor's note: Our "On the Brink" series will provide daily insight into the financial firms facing capital shortfalls and the growing pressure from short sellers in the market.

BankUnited Financial

(BKUNA)

on late Friday said the Office for Thrift Supervision had lowered its capital status amid mounting liquidity concerns.

OTS reclassified BankUnited's status to adequately capitalized, from well-capitalized. The move subjects the bank to restrictions on accepting brokered deposits.

BankUnited said its capital ratios exceed the statutory threshold for well-capitalized institutions.

BankUnited's

shares plummeted last month, after Stifel Nicolaus downgraded it to sell from hold.

The stock, which closed up 1.7% to $1.17, was plummeting 16% to $1 in recent after-hours trading.

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This article was written by a staff member of TheStreet.com.