Updated from 3:54 p.m. ETWidely held tech stocks generally stayed in positive territory Tuesday, with Google ( GOOG) among the day's biggest winners. Google shares were rising $15.65, 4.9%, to $335.34 amid reports that HTC planned to launch three phones using the Internet company's Android operating system. Search rival Yahoo! ( YHOO), meanwhile, was up 5.8% to $13.99. Microsoft also rose, tacking on 4% to $16.90. In the computer hardware space, Cisco ( CSCO) shares were rising 4.5% to $16.14 after Goldman Sachs added the stock to its conviction buy list. Hewlett-Packard ( HPQ) was up 2.5% to $29.75. IBM ( IBM) was up 1.9% to $92.91, Dell ( DELL) was up 4.9% to $9.34, and Apple ( APPL) was up 4.4% to $99.66. Chip stocks reversed course Tuesday, with Advanced Micro Devices ( AMD) leading the pack in percentage gains with an 11.3% increase to $2.76. National Semiconductor ( NSM) was up 8% to $10.15. Texas Instruments ( TXN) rose 4.7% to $16.45. SanDisk ( SNDK) rose 4.3% to $10.26. Intel ( INTC) rose 3.4% to $14.90. Among the major telco gear makers, Nokia ( NOK) rose 1.2% to $11.48. Palm ( PALM) rose 5.3% to $8.14. Research In Motion ( RIMM) rose 6.4% to $41.660. Motorola ( MOT) rose 6.6% to $3.89.