Small-Cap Winners & Losers: MEDecision

Small-cap stocks took a tumble along with the broader market Wednesday. The Russell 2000 ended down 0.8% at 730.71, and the S&P SmallCap 600 finished down 0.8% at 386.27.

On the winning side, shares of MEDecision (MEDE Quote) skyrocketed 287% to $6.62. The Wayne, Pa.-based health-care management company said Wednesday it had agreed to be bought by insurer Health Care Service for $7 a share, or roughly $121 million, in cash. That buyout price amounts to more than 4 times the closing price of the stock on Tuesday.

Los Angeles-based health-care services company Hythiam (HYTM Quote) rose 15.9% to $2.91 after Rodman & Renshaw initiated coverage of the stock with a market outperform rating.

Kingwood, Texas-based Administaff (ASF Quote) on an upgrade from First Analysis to overweight from equal-weight. Shares of the company, which provides personnel management services, were up 2.9% to $29.20.

Also seeing a rise was Mueller Water Products (MWA Quote), a water infrastructure marketer out of Atlanta that received an upgrade from Robert W. Baird to outperform from neutral. Shares initially climbed about 3% but ended the session flat.

Among the losers, BankUnited Financial (BKUNA Quote) sank on two analyst downgrades. Shares of the Coral Cables, Fla., company, which provides consumer and commercial banking services to customers throughout Florida, plummeted 30.5% to $2.35 on a downgrade from Suntrust to neutral from buy. Friedman Billings downgraded the stock to underperform from market perform.