The stock market closed mixed Friday after indexes bounced back from an early slump. The Nasdaq rose 0.2% thanks to strength in biotechs, security software and solar stocks. The S&P 500 fell 0.1%. The Dow Jones industrial average lagged with a 0.3% drop and closed near session lows. Small caps paced the market: The small-cap Russell 2000 climbed 0.6%. Volume rose on the NYSE and edged lower on the Nasdaq, according to early figures.