Mutual funds are chasing hedge funds into PIPEs, as one of the hot investment angles of the old dot-com-boom era goes legit.

FORBES: Piped Aboard

Some of the victims' relatives were at the vigil and one brightly colored group stood out: family and friends of Micayla Medek dressed in hot pink and holding polka-dot balloons.

WSJ: Services, Vigil Remember Victims

They tend to capitalize on investing fads (recently, dot.coms), and what's hot today might not be hot tomorrow.

FORBES: Trick or Track?

The ever adaptable Ding founded NetEase as a software company in 1997 when that area was hot, listed it on Nasdaq three years later as an Internet portal during the dot-com boom, and then, after weathering an accounting scandal, tacked toward gaming.

FORBES: FARM VILLE--FOR REAL

Even after the dot-com collapse, there is still cash being thrown at young techies with a genius for a hot thing--like Gnutella.

FORBES: Money For Gnutting