The global public stock exchanges feature numerous multi-billion-dollar corporations and household-name enterprises that begin with the letter "B." Prominent examples include Boeing (BA), a leading global aerospace manufacturer and defense contractor; Bank of America (BAC), one of the largest multinational banking and financial services institutions in the United States; Berkshire Hathaway (BRK.A/BRK.B), the legendary investment conglomerate led by Warren Buffett; BP (BP), a major integrated international energy and petroleum producer; and Boston Scientific (BSX), a prominent developer of advanced medical devices and diagnostic technologies.