Chip makers and defence contractors power profit upgrade for London tech stock Renishaw

London-listed engineer Renishaw upped its profit guidance on Monday, sending its shares to the top of the FTSE 250, helped by demand from defence contractors and chipmakers. The Gloucestershire-based precision tech firm is known for its precision equipment used in the lithography process of making microprocessors. On Monday, it pointed to “a substantial expansion” of [...]