The lengthy surge in small-cap stock performance has delighted investors during an otherwise bleak market environment, but some Wall Street experts now say the rally is nearly exhausted, Dow Jones Newswires reports.

During what is seen as a five-year run-up to a new Russell 2000 index record of 623.86, an investor would have pocketed an average annual 7.74% gain while the Russell 3000 index slumped 0.98% during the same period.

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