MARKET PULSE-Ford, Agnico, Triquint, Symantec, HP, Xerox, Merit
Oct 24 (Reuters) - U.S. stocks opened little changed on Thursday as investors grappled with a host of corporate earnings and muddled economic data. The Dow Jones industrial average was up 22.73 points, or 0.15 percent, at 15,436.06. The Standard & Poor's 500 Index was up 1.93 points, or 0.11 percent, at 1,748.31. The Nasdaq Composite Index was up 5.83 points, or 0.15 percent, at 3,912.90.
** FORD MOTOR CO, $17.86, up 1.9 pct (9:47 a.m. ET)
The U.S. automaker boosted its full-year global earnings and margin outlook on Thursday, helped by an improved forecast in Europe and better-than-expected results in the third quarter.
** F5 NETWORKS INC, $88.64, up 2.6 pct (9:48 a.m. ET)
The network gear maker posted stronger-than-expected quarterly results as demand rose for its new data traffic management products but said its gross margins may suffer over the next year as it invests more in its consulting business.