U.S. RESEARCH ROUNDUP-Apple, Intel, Coca-Cola, Macerich

Jan 12 (Reuters) - Wall Street securities analysts revised their ratings and price targets on several U.S.-listed companies, including Interactive Brokers Group and UDR Inc, on Tuesday. HIGHLIGHTS * Apple : BofA Merrill raises to buy from neutral * Intel Corp : Mizuho Securities raises to buy; raises target price to $37 * Coca-Cola Co : Stifel raises to buy from hold * Interactive Brokers Group Inc : Goldman Sachs cuts to sell from neutral * UDR Inc : Cowen