Bulls and bears both believe this could be 1999 all over again. Embrace it or dump your tech stocks?

The central debate on Wall Street is starting to sound something like this: Bears say, "It's starting to look like 1999 – sell tech stocks," while bulls counter, "It's starting to look like 1999 – buy tech." This disagreement over whether to embrace or recoil from the market's resemblance to the final frenzy of the late-'90s tech-dominated bull market grows in part from certain technical extremes being reached combined with atmospheric similarities to a former moment of all-consuming attention …