Alcatel Alsthom SA were sharply lower in active trading on the Paris Bourse yesterday on talk that it might buy a stake in chipmaker SGS-Thomson Microelectronics NV and increase its stake in nuclear power plant builder Framatome SA, Reuter reports. The shares were off 2.8% at 2pm. At Alcatel a spokesman reitereated the firm’s stated position on SGS-Thomson, that it wished to maintain a relationship of customer-supplier. It is SGS-Thomson’s second biggest customer for its chips.