Amid an abortive deal between Sun Microsystems ( JAVA) and IBM ( IBM) and a broader market downturn, most tech stocks took a dive Monday. After enjoying a run-up on rumors that it might be acquired, Sun shares fell back to earth Monday, losing 23 .3% to $6.51, after it was reported that IBM had withdrawn its offer for the firm. IBM shares, meanwhile, fell 0.7% to $101.47, as investors wondered what would come next. Another of the day's biggest losers was Garmin ( GRMN), which fell 4.3% to $22.11 on seemingly no news whatsoever. Cisco ( CSCO), meanwhile, dropped 3.7% to $17.47. On the winning side: Infineon Technologies ( IFX) rose 17.2% to $1.50. Advanced Micro Devices ( AMD) rose 2.9% to $3.53. Research In Motion ( RIMM) rose 8.5% to $64.31. Apple ( AAPL) rose 2.1% to $118.43. Sprint ( S) rose 5% to $4.40. Verizon ( VZ) rose 0.7% to $33.03.