Shares of Sun Microsystems ( SUNW) were among technology's winners Wednesday, rising 6% after the server and software company posted better-than-expected earnings and announced a $700 million investment from Kohlberg Kravis Roberts. For the period ended Dec. 31, the company earned $126 million, or 3 cents a share, on revenue of $3.57 billion. Excluding certain items, earnings were $148 million, or 4 cents a share. Analysts polled by Thomson First Call expected earnings of 1 cent a share, before items, on revenue of $3.52 billion. In the year-earlier quarter, Sun recorded a loss of $223 million, or 7 cents a share, on revenue of $3.34 billion. Separately, Sun Microsystems said that KKR will purchase $350 million of convertible senior notes due in 2012 and $350 million in convertible senior notes due in 2014. Shares were trading up 33 cents to $5.99. Hyperion Solutions ( HYSL) jumped 15% after the software company's second-quarter results easily beat estimates. The company earned $21.5 million, or 36 cents a share, up from $15.5 million, or 25 cents a share, a year earlier. Excluding items, earnings were $29.9 million, or 50 cents a share, above analysts' forecast of 44 cents. Hyperion's revenue rose to $222.9 million from $185.5 million, surpassing Wall Street's expectation of $212.4 million. Looking ahead, Hyperion forecast adjusted third-quarter earnings of 40 cents to 45 cents a share, with revenue of $215 million to $220 million. Analysts project earnings of 42 cents a share and revenue of $209 million. Shares were trading up $5.06 to $39.48.