SUNNYVALE, Calif. (AP) -- Technology licensing company Rambus Inc. said Thursday that it posted a fourth-quarter loss, reversing a profit from a year ago, as research and marketing costs rose while revenue fell.
The net loss in the three months that ended Dec. 31 came to $28.7 million, or 26 cents per share. A year earlier, it earned $33.1 million, or 29 cents per share.
Excluding one-time items like the cost of restating stock-based compensation and related legal expenses, adjusted earnings came to 8 cents per share, compared with adjusted earnings of 28 cents per share in 2010's fourth quarter.
Revenue fell 8 percent to $83.4 million from $90.9 million a year ago.
Shares fell 62 cents, or 7 percent, to $8.30 in after-hours trading, after ending regular trading down 28 cents, or 3 percent, at $8.92.
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