A deal to merge computer maker Hewlett-Packard Co. with technology-services company Electronic Data Systems Corp. for about $12.6 billion weighed on HP shares in premarket trading Tuesday.
HP shares lost 84 cents, or less than 2 percent of its value, from its Monday closing price of $46.83. Shares of EDS, fared a little better, rising 32 cents to $24.45.
Retailing giant Wal-Mart Stores Inc. reported a 6.9 percent rise in first-quarter profit Tuesday, topping Wall Street estimates, but uncertainties about the U.S. economy gave some investors second thoughts about the prospects for the remainder of the year, sending shares 95 cents lower in early action to $57.07.
Shares of LDK Solar Co. slipped 5.8 percent to $35.25 after the Chinese solar wafer maker posted a higher first-quarter profit but trimmed a portion of its full-year guidance.
Shares of Fluor Corp. rose sharply in premarket trading Tuesday after reporting its first-quarter profit rose 63 percent, beating Wall Street estimates, and prompting an analyst to raise his price target on the contractor and engineering company.
Lehman Brothers analyst Andy Kaplowitz reiterated his "Overweight" rating and raised his price target to $196 from $169, implying an 18 percent gain.
Shares jumped $14.29, or 8.5 percent, to $180.65.