By Brian O’Connell Even as a new version of the dot-com bubble plays out, the two old giants are likely to prosper, Real Money’s Brad Ginesin argues. To understand today’s market, it helps to look back in time — and that’s exactly what Real Money’s Brad Ginesin is doing. “I often reflect upon the 1999-2000 Nasdaq bubble to understand market dynamics and investor behavior,” Ginesin wrote in Real Money. “Years after the bubble burst, young traders I worked with would inquire, “What was the bubble like?” Today, traders no longer feel compelled to ask that question since the recent investor irrat…