Chip stocks gain after Texas Instruments' strong forecast
** Some U.S. chip stocks gain premarket after chipmaker Texas Instrument TXN.O forecasts second-quarter results above estimates on strong data center chip demand ** TXN jumps 10.9% ** Microchip Technology MCHP.O, Analog Devices ADI.O rise 4.8% each ** ON Semiconductor ON.O gains 4.5%, NXP Semiconductor NXPI.O ahead 3.7% ** iShares Semiconductor ETF SOXX.O up 0.6% (Reporting by Ragini Mathur in Bengaluru) ((Ragini.Mathur@thomsonreuters.com;))