Shares of Open Solutions ( OPEN) were among technology's losers Monday, sliding 11% after the software company issued disappointing first-quarter and full-year earnings guidance. The company sees first-quarter earnings, excluding stock-based compensation costs, of 5 cents to 7 cents a share. The company predicts sales of $62 million to $64 million. Analysts polled by Thomson First Call project earnings of 21 cents a share and sales of $62.2 million. For the full year, Open Solutions forecast earnings of 88 cents to 93 cents a share, excluding stock-based compensation costs. The company predicts sales of $370 million to $380 million. Analysts project earnings of $1.07 a share, with sales of $300.3 million. Shares were trading down $3.29 to $26.08. Lexar Media ( LEXR) fell 4% after the maker of flash-memory products cuts its earnings guidance for the second time in three weeks. The company now anticipates a fiscal fourth-quarter loss of $20 million to $23 million, or 25 cents to 28 cents a share, on sales of $237 million to $240 million. Analysts project a loss of 15 cents a share and sales of $236.5 million. On Feb. 13, Lexar projected a loss of $17 million to $21 million, or 21 cents to 26 cents a share, on sales of $240 million to $245 million. At the time, analysts were projecting a profit of 4 cents a share on sales of $225.6 million. The company, which did not offer an explanation for its most recent earnings revision, said it has postponed its earnings release until March 14. The delay will allow the company to complete its accounting analysis of inventory and other reserves, it said. Shares were trading down 31 cents to $6.89. Shares of Nvidia ( NVDA) rose modestly after the graphics-chip maker announced a 2-for-1 stock split and increased the amount of stock it can buy under its repurchase program. The stock split will be effective on or about April 6 to shareholders of record March 17. As for the share buyback plan, the company is now authorized to buy up to $700 million in stock, up from $300 million. The company has purchased some $263 million in stock under the repurchase program. Nvidia shares recently changed hands at $49.32, up 16 cents.