UPDATE: HSBC Downgrades AT&T By: Benzinga via Benzinga March 25, 2014 at 14:24 PM EDT Shares of AT&T (NYSE: T) have moved higher 0.61 percent to $34.67 in Tuesday's session after HSBC downgraded the stock from Overweight ... Read More >> Related Stocks: AT&T Inc HSBC Holdings Plc ADR