St. Jude Medical (STJ), the maker of cardioverter defibrillators and pacemakers, said Q4 earnings climbed 7% to 92 cents, beating analyst estimates by 2 cents as it cut back expenses. Sales dipped 2% to $1.37 billion, in line with expectations. Its shares were little changed in late-day trading Wednesday. St. Jude Medical boosted its profit margin by reducing general and administrative expenses 18%. It also trimmed research and development