Is watching your mutual fund bounce around in your 401K making you queasy? You're not alone. Widely held stocks like Microsoft (NYSE:MSFT), Cisco (NASDAQ:CSCO), Johnson & Johnson (NYSE:JNJ), and ExxonMobil (NYSE:XOM) have not been immune to the recent market volatility. And volatile stocks equal volatile mutual fund performance. In this installment of "Fool Video," Motley Fool mutual fund analyst Shannon Zimmerman offers some tips on managing your mutual fund in a mercurial market.