The market’s Millennial madness returned as the Nasdaq (^IXIC) hit its highest level since the year 2000 thanks to an Internet stock with a silly name. Befitting another bout of Tulip Mania Bubble Wrap maker Sealed Air (SEE) surged 9.02% to a fresh 52-week peak. Just remember though it’s merely money not life and death. (Actually  on second thought…)   Such was the ebullience in equities that investors were even prepared to back up the truck in Brink’s (BCO) — though not quite as profitably as thieves backed up on its truck in Belgium at 8:05 p.m. on Monday in a $50 million diamond heist. Its shares rose 0.87% ...