NEW YORK, July 11 -- The Clearing House issued the following news release: Winston Salem, NC - Consumers and businesses sent over $1 billion in instant payments on June 28 over the RTP(R) network, a single day record for the largest instant payments system in the United States, operated by The Clearing House. The RTP network also experienced a record 82 million transactions in the second quarter, valued at a record $55 billion, as financial institution customers continued to use the network for  more