dot-com bust

Unless you're ultra-wealthy or willing to chance the vagaries of the secondary markets, you can't invest yet in hot social networking companies like Facebook, Zynga or Groupon. But soon there may be an alternative: a new fund called NeXt BDC Capital that will take stakes in top-quality venture-backed firms like those.

Stocks enjoyed a respite from what some see as a bubble in pessimism, and that sudden turn should be unnerving to a fast-growing crowd of individual investors: those who have recently raced into ultrasafe holdings like U.S. government bonds.