Wall Street ended lower on Tuesday for a third straight session as investors worried about a rise in interest rates while Apple's shares hit their lowest in over six months.
Shire Plc made an unsolicited offer to buy one-month-old Baxalta Inc. for about $30 billion in stock to bolster its focus on rare diseases, a move that may fend off larger drugmakers looking at its own assets for a tax break.
MGM Resorts International sued to prevent the construction of a tribal casino in Connecticut that would compete with the company's own resort being built in Springfield, Massachusetts.
Luxury retailer Neiman Marcus has filed for an initial public offering for the second time in a little more than two years. For the purpose of calculating a filing fee, Neiman Marcus said it expects to raise $100 million from the offering.
(Adds quote, context on Lockhart's views). WASHINGTON Aug 4 (Reuters) - Atlanta Federal Reserve President Dennis Lockhart has said it would take "significant deterioration" in the U.S.