11. A warning from British telecom equipment maker Marconi also pulled the market lower as Wall Street worried about a slumping demand from abroad. 12. A warning from British telecom equipment maker Marconi also pulled the market lower as Wall Street worried about slumping demand from abroad. 13. But Nortel, the telecom equipment maker whose poor earnings report touched off the rout in tech shares on Wednesday, continued to struggle. 14. John Mayo, who was to become CEO of the British telecom equipment maker, has quit the company. 15. John Roth is retiring as the chief executive of the embattled telecom equipment maker. 16. Stocks in Europe have been hard hit today by a profit warning from telecom equipment maker Marconi. 17. Technology stocks were propelled higher by stronger-than-expected results from Swedish telecom equipment maker Ericsson. 18. The Canadian telecom equipment maker declined on worries about a revenue shortfall. 19. The resignation takes effect immediately, the London-based telecom equipment maker said in a statement. 20. The warning comes amid similar profit woes for fellow telecom equipment makers Lucent Technologies Inc. and ADC Telecommunications Inc. |