Shares of BlackBerry maker Research In Motion jumped 20% on Friday, a day after the company reported better-than-expected quarterly earnings and strong subscriber growth for its popular wireless e-mail devices.
But the news wasn't as rosy for rival Palm, which saw its shares drop after its earnings report showed profits fell 43% in its fiscal fouth quarter.
RIM shares rose to as high as $200.58, while Palm shares fell more than 3%.
After the market closed on Thursday, RIM reported earnings of $223.2 million, or $1.17 a share, for the three months ended June 2, up from $128.8 million, or 67 cents a share, a year earlier.