PairGain Technologies Inc.: The company said Thursday...

PairGain Technologies Inc.: The company said Thursday that it has signed a contract with Motorola’s PCS Infrastructure division to supply components for Motorola’s Teledensity lines of wireless products. The company did not disclose the terms. PairGain develops products that allow telecommunications carriers to transmit information at digital speed over standard copper wires. PairGain stock gained $2.56 a share Thursday to close at $21 in Nasdaq trading.