You know, once every month or so, it's nice to sit back and reflect on how far the Nasdaq Composite Index has come.

Yes, the Nasdaq has managed to punch through the latest in its epic series of milestones, crashing through the 5000 barrier on broad strength in its largest components. Wireless telecom firm



rose 11.6%, while


(CSCO) - Get Report

extended further into its own record territory, flying up 5.5% amid unsubstantiated rumors that it would replace

Procter & Gamble

(PG) - Get Report

in the

Dow Jones Industrial Average


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Resistance was futile a long time ago. Now it's becoming downright perverse.

"I was just looking at a handful of companies whose presentations I attended at the

American Electronics Association

meeting out in Colorado in November, all of which I thought were pretty expensive at the time," said Charles Crane, chief market strategist at

Key Asset Management

. "Here we are, three months later, and you know what? These stocks, at a minimum, have doubled. And frankly, I can't find evidence in any case that their business has accelerated at a pace faster than even the most aggressive have anticipated."

The song remains the same, and the pitch just keeps on escalating. The only stocks the market is willing to bet on are those boasting the highest revenue growth. And the outperformance of the high-growth tech and biotech sectors begets further outperformance, as everyone from IRA-padding baby boomers to T1-linked 20-somethings scrambles to redirect their fund contributions from value to growth. Indeed, the bifurcation has been dramatic enough to reduce the 21st century stock market to a mere two sectors: New Economy and Old Economy.

It's an unprecedented market on Wall Street. And the sheer extremity of the situation has many observers nervous -- just like they've been for months now.

"Clearly you just have to be very careful in the technology area now," said Grace Messner, portfolio manager at

Cypress Capital Management

in Wilmington, Del. "You're in a market where everything has cracked but technology. When you've got the drugs and the Procter & Gambles going, you've got a shoe dropping, as it were."

Timing the top for tech hasn't been a well-paying endeavor, to say the least. Most agree that things won't normalize until there's some disruption in the dynamic of money flows into the market.

"Frankly, I'm at a loss to figure out what could hold these stocks back," Crane said, "except the notion that in the next four or five weeks, we will have passed the period of the year where cash flow typically peaks. The first quarter is generally the best quarter for cash coming into the market."

Something for all those proverbial fat cats to think about while they're assembling their capital gains for April 15.