Palantir Technologies Is a Stone's Throw From Making Dubious History -- and Decades of Precedent Tells Us What Happens Next

When things appear too good to be true, they often are on Wall Street.On Tuesday, Feb. 18, the benchmark S&P 500 rallied to yet another record-closing high. For more than two years, the bulls have had a tight grip on Wall Street's proverbial reins, with optimists being handsomely rewarded.Catalysts have been abundant, with everything from excitement surrounding stock splits in influential businesses to Donald Trump's return to the White House fueling gains. But standing atop the pedestal of catalysts is the ...